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Howto select a paintbrush A good brush performs better .. wears longer... saves you money There are several qualities to look for when select ing a good paintbrush. First, see if there is (1) a full head of bristles in a firm setting. Then look closely at several individual bristles. They should be 1 (2) finely tapered with slightly curled tips. 2 J Make sure a generous portion of the bristles 1 have (3) tips that are split or "flagged." Finally, A look for a brush that has (4) bristles varying in 4 length. A brush with these qualities will give tgaM you excellent performance. It has a greater -5L working and paint-holding capacity- elimi- ' nates excessive dipping. The brush will (5) release a finish smoothly and evenly on any surface. You save time, paint with ease, do a professional-looking job. Now, better performance with improved TYNEX nylon bristles 6 When buying a paintbrush, look for (6) the trade mark Ty n e x on the handle. Quality paintbrushes made with bristles of Ty n e x nylon give you better per formance. They pick up a full load of paint at every dip and lay on a smooth, streak-free coat. And brushes bristled with Ty n e x have durable bristles that (7) clean easily . . . rinse thoroughly . . . dry quickly--are always ready for re-use. FREE--additional facts everyone should have on choosing and using a paintbrush. Tips on painting unusual surfaces, on holding a brush and on the correct painting stroke. Learn how the professional painters do it---how they dip their brushes and how they clean them. You can have this valuable information without cost or obliga tion. Just send your name and address to E. I. du Pont de Nemours & Co. (Inc.), Polychemicals Department, Room 86-45, DuPont Building, Wilmington 98, Delaware. t y n e x is the registered trademark for Du Pont union bristles TYNEX* NYLON E3 RISTLES BETTER THINGS FOR BETTER LIVING... THROUGH CHEMISTRY Farming and spring cleaning--two timely ot"5nt-AK1 Li(|WC,T.*- Il/,Oe - nU-vI * A * |*.*i.*|_. ___g i.avtv'c* i- MK*a/ W+IAi ^ait t v rjQ3a nrl K'\f Vince Hoffmsn'a cover. True, the Du Font paint test farm lie lias shown: produces an unconventional crop. Like ilrt. farmers, however, the men who ran it are immensely mmmmei.. with the effects' of weather. Right now, Figments TS--lfafcrJvjD#L- . TA*Lis-caQLEerat*wrih* men are won dering how wall their expert. Tnfn#ni OT^hif*- les, binders and ' pigments will stand exposure to April show- ers,-not toJLrf. men - tion ultraviolet light and mildew. The im proved paints that grow out of such studies are worth investigating if April makes you think of freshening your house. Jobs for Du Pont pigments don't stop here, though. How they are answering many new calls for color in consumer goods is told in the article that begins on page 2. ` PLAY CAM BE PERILOUS national average--iradicating, wo surmise, . that the riism.ory ofc hi.--plant safety training lingers on In the hours after work, AID TO EDUCATION More than a million dollars will be given .by Du Pont to 122- universities and colleges tills year under the Company's dy-year-oia program or aiding education. Aware of the task colleges and universines ace m mamtfuoing their teaching standards in the face of record enrollments, the Company has earmarked $585,000 of the total to help in this effort. The rest of the money goes to support fundamental research on campuses and to finance fellow ships for postgraduate students in science and engineering. u * > mi'V re.. ..,...a..s: c'..rtt,oSt,hi C:. 1 i, *P* ' This dark and wintry scene was pilots0g-*1.*t0lJtiJHllAcUrl fi.it\/ri ittta IWwj HiTCWU1 IJTJLhIi.iHH#'-UrmJiy tWuhHnu Ww-lUifvpv the taconite .article beginning on page IS. With his pictures--too underexposed to be used with the article--came a note that would warm the ventricles of the coldest- i1--titaSaciyL 'kftuirlj ncUrl-iifbnUyl ', #tfPIVUc"lni-bj- nU-.JrJi ftUo CLiltitoJ vAcaUnJuigptJ TtUry get these drilling and loading pix, and took them at 20. below.in a snowstorm." Almost three times as many employes of Du Pont plants and laboratories come to physical' grief -engaging in sports as are hurt on the job, a recent analysis of lost-' time injuries shows. Over the last three' years, only 136 of 82,000 employes incurred such-iujuries-at-work, -while-553- wore,thrown... for a loss on the playing field. (Total off-tfas- job injuries in the same period;' 4,871.) Baseball accounted for 17.8 lost-time injuries, basketball for 88, swimming for 45 : and hunting for 30. Skating, bowling, boat- ' tag, fishing, football, and volleyball were others .among the hazardous top ten. Despite their high rata of leisure-time accidents,' Du Pont workers are still bang ing themselves up at a rate below the . ' 2 COLOE SELLS ITSELF 5 Wh e n is w h it e w h it e ? 10 At o mic "c a n a r ie s " 12 Tim c u l t u r e -o f t u b BUfsfNJSBSMAN 14 Go l d e n c a r g o 16 Th e a u t o ma t ic sure 18 Big b o o m o n t h e Me s a b i 22 Co l o r ad o 's Do n Qu ix o t e OF BUSINESS 24 Me a n w h il e , b a c k a t t h e IrPfaFU.&kW**HA' 26 Wil d Wis t h id e s h ig h 29 Ne w p l a s t ic p a n e l s 30 Fa b r ic s in y o u r f u t u r e . 32 Sp r in g o l b a w n g f o r -y o u r RADIATOR 34 Sp r a y g u n f o r : h ir e 1 36 Th e g o o d o l d s w ia t e r -t imb ' I1" AT U14 S .....i...SlCOP-IIlST..I.N. HISTORY.............. 21 Ag r ic u l t u r a l l y Sp e a k in g 28 Wh a t 's Ne w . ....... : =J - ph o t o c r e d it s Pegs 3; cnurleey Armstrong Ctork Co.i Page 7, but Him; cour tesy Tho Firestone *1 'ire It Robber On..; Pnge 11. top;cot, rtcay Trmserljilj, Iss.i leaItem meterfray KnoIIi Atomic Potter Lab" oratory; Ptigra HI. it unci 20, center anti bottom; courtesy Iliioryi Minin* Co.; Pnjti 510, lop; courtary Erie B Inins Co.; Pits* Si.loin ii. AntmtmmRoberts; Pago 23:.murtwy California Himalaya a Expedition; Page Si: courtesy Arroeo fate*;! Oorp, tiMANOB fwfc Brf fAt m ij nlit nrt mis as a* - To Insure receiving your next copy, tone! your new oddreai pronipi.lv to; Editor, Du Pont Magnssltw . ...................................'Wlliiiiiigtaii''a8,:''Bel';-:............................ Send old address will, the new, -endiBiiie if ptsulilo your address label, Pant- ollists will not feeward flriM ipajfaaipci - unions you provide extra pontage. GORDON B. HESTER ; Editor Copyright th R. I. <iu Pnnt.de Knmoura ft Co., Wilmington, Delaware, AH- righto reserved, *IW magazine or part* .thereof may licit -bo rojn-o- fri.m ib- iml.lii lr. Printed In 0. S. A. *iiiPP i- & 11... tis :I it m- I. It it i/ro? {a ci m f-ard ft; /;<; < tian'/tr un/ii!'! ihr *1 iiA 7i< V . * f il n r i' v Hi J`ii: iiii 'iiiit' ;>l iiii` anti t:t t; i i.ft < H* -.// ii-V/'7V a'es'V KA i i ! \ I:*-'-:'-.' f:r. i i: i: i i sa>.\i........ s : ( !" t \ i i ji :a <}:! {! *' i I i i \ Mail \Oia` * 111;i'll . i {':/' 5 :>iiaia. < ; . .i i >.;;. [ ce:\i \ li i iaec ! m JI i: 11 \ 'i 51! i s: ' : l r i; a.> -eU--. ;i.i. I.ihc.i- s aa: i A li i:: a /: ; I i; i 11 . !; I'.' j:: A : iVi.il\ i\ i;: * . L I i x) a : } i .- !! j: a i > = s!. 'aCif :'HCI call i aim ! t i ii;e\aeM:'. j i. j i i: ( w :mc (}. .m .a s,.{ s . :: c.'< ifni'.iv lh;ii -iii i i-: 1 va*: i iVav;!: o! :i;:C L 1 : si. 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Me !:>'' lie . < ? 5 ' : : k*M ' i':; i::: !. iv. a... i ! c:: :!a , i ;\ !{: a: i ' ; i; : .: . : :: a:i, is sc-, is oi CCA'i CC V ii : *. .:: . \ '! < \ Hi i \ !a I-- - i.{ ; i: , . . . : I ! ! k : ' M : ai : ;; l. e :. i U'!!. l.i: SM'-.CM.--. -c -a-: a 1 ' A c m i : 1 sea ':.i : - = ill \ = i i I v : i.: !: t' :-{:an' !s> [\iimy >:-J:: j i: ,, {.; ? M-'; i; * i ; < iii-w acslt.iiai. iav i <: }: t. > * * ?. i * * :.> I ii j L wus:: \ '>> ia.'SJli j t>i.;-:C. i"i! isa!}1:- , ii: S f It i > > " *;i`- V I i} \ : \ }\\ : . When is white : The question is of more than academic interest'to users of slmtmmmy and printing paper :::-- :...................brightened with Du PonPsfluorescent white-dye : ; Talk about who's got the whitest line in town used to be : the private province of detergent manufacturers. Now, led : by Pox River Paper Corp. of Appleton, Wis, makers of cotton-fiber--rag--papers are beginning to raise the whiterihan-white banner. Superwliiteness in Fox River 'paper is ' : achieved with a fluorescent white dye, Du Pont Paper White BP, and the result has been the basis of an unusually successful sales effort. Even before Paper White BP, of course, Fox River cotton-fiber papers were white. What the Do Post dye has done is to turn 11 grades of very respectable quires into ; aristocratic esquires. Paper White BP is what's known as an optical brighteiier. Its fluorescence neutralizes the offwhite light reflected from, paper, making it appear whiter-- orr '33 ps.prni3.lrs bsy, UHglitQir. Jj .i gfdotes wlior opstity also is desired, the proper balance is reached by using : Du Pont ``Ti-Pure" titanium dioxide in combination with Paper'White.BP The new Fox River papers, named Arctic Whites, are notable for the way they make printed and typed material stand out. They appeal particularly to businessmen who want atteutionwrinning letterheads. Switching 11 grades of paper--bond, onionskin, vel lum, briatol and thin card--to the brighter color was a Ipko/viMo . mmmovren, rar,iiji1,ck wr*TihiAfi||orovtYMMtjr* w as iKitr.tv'tciitclrlitiMQ'-l Hpxyr tnitmmiiortuim,nnuo3,"meat campaign that kept paper merchants diffhanging. First the mails brought them aun glasses, then a plastic revolver ("good hunting soon"), then bear statuettes ("the . family's on the way"), and finally the merchandising kit. Nor is the story ended. Tonnage orders are coming in and new accounts have been sold- because of the ultrawhite paper. As a result, Fox River is eyeing its-seven unchanged grades of paper In the sulfite and 26 per cent cotton class and visualizing them, like the first ii Snow Whites, as the next candidates to be labeled "fairest of them all." ' : . SALESMAN CALLED HIST IN *51 . ' Like an iceberg, the larger part of the .Arctic' White story isn't apparent. But the swift rise of the new grades : is based on the patient labors of five years. DuPont dye salesman A. C, Sutherland, himself an Appleton resident, introduced Ida papermaMng .neighbor to the original Paper White back In 1962, Tests both at Fox River and in Du Pont 5 Chicago dyes laboratory stretciiied out over two years before the first Mai run was attempted. SutJier- land assisted in production and, at the suggestion of the ' Chicago lab, added a special 'dyeing ausfliary to enhance ; the dye's performance. The idea worked and the run was a success. When a second trial proved even better. Fox River decided to begin making BP-brlghtened Anniversary Bond. By then it was late 1955, -and Dm Pont had twice improved ' the Paper White formula. ' Pox Elver offered its merchants Anniversary Bond and Anniversary Onionskin whitened with the DuPont dye last year. When sales of these two grades doubled, the papermaker called Sutherland back to help work out the .-W , 4 1 *t * 4 % -- * 4 V' t Checking piipciir samples *wj left ;to iri^hC I4ox Jxiy c j t diomisi Jofiii ............best..formulations..for..each.. of.nine..additional..grades.... ....Ndson,.s"npfirinlfindeul..Ari!old..Beanii!n1.Dii..I!ant?s...A,.C...SMllu!*liiiMl....:... 5 o f *v** >- > <) f: K h . a., 5 -k c o Si l' Si fits the Company, its customers and stockholders. But when higher costs can't, be absorbed by greater production oriniproved technology, a reasonable return on investment can be maintained only by increasing prices if competitive conditions penult. The Company hopes that costs can be held suffi ciently within bounds in-1957 to limit further shrink age of profit anti to make unnecessary substantial boosts in the prices of its products. NEW! ' IRS GAIN AT EXPENSE OF OLD . Total sales of Du Pont textile fibers, measured in physical volume and in dollars, decreased in 1956, The quantity ofnylon, "Orion" acrylic fiber, and "Dacron" polyester fiber sold during the year rose, but not enough to offset reduced shipments of rayon and acetate. Tills growth of the newer synthetic fibers at the-expense of the older types is general in the textile industry, The decrease- in dollar sales resulted from price reductions on the newer fibers, which are expected to expand their markets In the years ahead. In anticipation of rills growth, new manufacturing capacity for "Orion" is under construction at Waynesboro, Va.; for nylon industrial yarns at Richmond, Va.; and for "Dacron'' at Kinston, N.C, ' PLANT EXPANSION : Du Pont spent $167 million in 1958--a record figure --to improve and expand existing plants and labora tories and to build new ones. This compares with $119 million spent ill 1965, Sizable expenditures were made on .projects for nylon, tetraethyl lead antiknock compound, neoprene synthetic "rubber, "`Orion'*' acrylic staple, 'titanium "pig-" meats, sulfuric. acid, "Alatbon** polyethylene resin, "Hypalcai" synthetic rubber, vinyl acetate, "Fabrilite" coated fabrics, paints and 'tMnners, "Butacite" poly vinyl butyral resin, "Freon" fiuorinated compounds and cellophane- .- Products began flowing from four new plants dur ing the final quarter of the year-neoprene synthetic rubber at Montague, Mich,; aolfuric -acid at Columbia Park, Ohio; paint products ahTucker,-Ga., and "Freon" refrigerants at Antioch, -Calif. Production of tetraethyl lead started at Antioch early in 1957. In addition to expanding facilities for textile fibers, the Company is building a plant for the production of pure silicon at Brevard, N.C., and another for the manufacture of titanium pigments at New Johnsonville, Tenn. Construction, of a new cellophane plant near ..Tecumseh,.. Kan,,:.is scheduled to start this spring, ' '(continued onpagi'8).... Record f 157 million went for plant expansion in 1956. This truck hauls first "Ireon* from new Anllncli, Calif, plant. Added nylon capacity will nuke available more industrial yarn for tires like the one shown lieiug:iintiflttrl here. . RESEARCH AND ; ^ AvQnIiUicKewMTi- ' ' Three new laboratory buildings have been completed recently at the Experimental Station near Wilmington, Each of the industrial de partments and the Chemical and Engineering Departments now have facilities there for long- range and fundamental research. Additional high energy radiation facilities are being constructed at the Station to comple- mailt a two-million-electron-volt generator now being used to explore the effects of radiation on chemical reactions. A Metals Laboratory is also being built to permit broader research on special metals such as titanium. ; Approximately 2,200 technical people were engaged in research and development during the year; expenditures were about $77 million, excluding laboratory construction and technical assistance to sales and production. GOVERNMENT M88* MNT MLJ *....1 l8888! l_* f SNti . In November the Company agreed to study, at the request of the Atomic Energy 'Commis sion, the feasibility of using heavy .water to moderate reactors for electric power generation. Such a system interests the Commission be cause it promises to permit use of natural uranium as fuel. Many alternative systems re quire a more expensive fuel, artificially enriched with-the fissionable isotope of uranium. The studies are to be performed as part of the existing contract under which the Company . designed, built, and is operating the Savannah "Hylene" organic isocyanates, products of newly formed Elastomer Chemicals. Dept., are ingredients of -urethane foams. In this demonstration, a valve is covered with fbamed-in-place insulation. ATOMIC "CANARIES" ,,, sound a photographic warning of excess radiation exposure By JAMES 1, DOUTHITT Sarfy one morning in the spring of 1814, more' than a Iran- radioactive materials to inspect castings and welds, doctors dred miners reported, for work in the. Benwood coal mine and teciinieians who use medical x-ray machines, workers near Wheeling, W. Va, They had hardly reached their in atomic energy installations--all of them depend on the stations when an explosion rocked the area. Destruction safeguards against radiation exposure built into their was nearly complete. '' equipment. But as an additional safety check, there are Several hours later, a team from the Bureau of Mines now in use several types of detection devices--atomic .pushed its way through the tense crowd and began the job "canaries" that tell the user, in case of stray radiation, of rescue and salvage. Up front,'the first rescuers .carried ' the degree of his exposure. ' ' with special care several cages of canaries. These men knew ' One such device is DuPont dosimeter (it means the safety and ventilation, equipment of the mine had been measure the close) film, developed especially to monitor destroyed. They took canaries into the shaft to detect radiation encountered by personnel, Du Pont supplies odorless and colorless gases. Some of the birds died, but dosimeter film to such organizations as Tracerlab, Inc., of the men of the rescue team, warned- of the lethal gases, Boston, Mass. To. its subscribers, Tracerlab distributes lived to carry on their work . - badges containing a Du Pont dosimeter film packet. The Today atomic power production and the use of radio- . amount of exposure, or blackening,- of the - films in the active materials fw research and medical treatment require : packet-gives an accurate measurement of radiation to .girnilar.sif#tx....;cleyices.to.protect.men from.the.,(invisible........which the... was ^ hazards-of radiation. Industrial radiographers who use : permanent-record of periodic anti total radiation received. :Ui !: 'Vi' j S : i {c i., i I u d`! i i l f* 1! [ %' !. ii : ! , , : c.\j !: i.. j) .';! 1: i 1!! ! d!' ! '< Ii.: s. - - ; ! ' '>> ' ! ` s ' ; l! 1, :V.d. Ii -t S 1 ! 111!- ! i i< 1 .V . \ x v ! Mill ! T? 1 ; < , : ;' 1 \N' !'i 1 ;;,ii |V;i:.{ ill s i t. ! : i i i i! h i1 . ( :: 1 {i! ` 1 i 1: i. {i-. m\i ,, l l". 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III;- i. 12 '= j M i =( i l: Vi (; (i.-tl K-.'ii ii-v.i I ! .VM;,! !i\ .1 i.iM ' V, I'Yo im Mu_- l ` \: ^-rii i'iil v-iVtUU-i: M'-'t iI i`,`A\ !>V i'.i f.; i i i (s * *. i.: ' 15 I m (hi:- Wi.-i i!,'Vi-i,c i !>: i is i..mi ( i r | -k i >( :*. v,i:;h sliiTi'i'. 11! rmimm.'.t iuiis i : 111 i. j )| >'. ! fki` jiii'.M-. * a' i s` i % <ii r:i- ii.'ii ii :!. 'is ;; t; <; i < lt-| < !!,{ i i!)' t >n V 1; { iI 11: : I ,! i\: mill!'-:; 'III ! f i' :,V s^riiSc.ii \V :i i > ('t t\\ tr j f i.-f i :i r; :tiui \ : *r/. ;t -t: i {Ilf t-ilii;;; tiu'.:- \ i`C. i / ' ! ; * ' i: i I >! i`M X I (>: m.-.Jr \ i. J : it i c i :j 2 ;. >{.. ;>-.} him lilidy'r ;< h<' ii;ir.i- ? r *}<-i^ {?! ii fir* m \' :-.;r . ". i k < : ? i-i : i! ( > , . ' :-,i c. i : . :l -*: :c 11 : t i: >nt \% : ! ! :> --iwM----iWi *. s. ..... : V-..;:. ::-.. .: . * . v::jv- ... ..; :. ::::;.:n: .-. '/?; --- - - -ABLlBBMi! f:?!- /IW3K the "brilliant and the dull, the generous and the grasping, the expansive and the petty, the sensitive and the crass, MUCH of the support for the estab lishment of colleges and uiiiver-" sitaea has come -out of our industrial come a They jive In ; 3 narrow cell of tlnsi' own uiftkini'j tire the good and the bad--all grouped to world looks at them and deplores their Jack of culture. But this process I find it hard to believe that bus art' galleries, libraries, iness would draw: all its people from we see it at work In every .other ele the culturally disenfranchised. Men gardens, museums, and many other ment of life. We see professors of Me-. Tory: with few interests outside the `" * * ,< rtf wfliita-itk . ynwtwri%i ' tion--the law or men who were successful in the busi | 111-: ness and industrial field. ' : can- a leaning or .predilection, more often - ' .As many have pointed out, busi ' through pure chime. . ness must share part of the responsi medicine; lawyers who are unlearned : bility for keeping our colleges on a in all save law. : :: THERE is, in fact, . considerable. mobility'between vocations. I, for strong financial basis. Much is being ' ' AJT.WUfTWt. rUv#l"tfirC*riIj JTL &Iti-aOULtf W*f wjfiritw>Ai 4ti-tkJift?* done in this "direction,, and .more will, one-dimensional -businessman; while :one, started out-as a scientist' and- be: clone ultimately. But I confess to -somehow finding excuses or even an- wound up, for various reasons, work some irritation with the nomenclature -plause for-the one-dimensional: pro-: ing at: a desk instead of a laboratory which associates "education" so inti fesBoi* or artist or -scientist. Tot I fine! bench. Several promising engineers mately and -so exclusively with the" it hard to differentiate. The narrow and administrators have loft ns for university. This view seems to accept the ministry or for teaching. We have . a few wh0 have reversed the process. a rather shooIcing series of promises,. Jti irst, that 11 college graduate is neces limitations whether it !b an office,; a laboratory, u studio or a olassrcioiii. I realize that it Is popular to re sarily -educated;- second, that, all non- gard the large' business unit as a machine in winch human tolerances, are held: within precis limits and ends with the diploma. . NO, EDUCATION Is not the prov ince of any one group or any one by pu HI fcinvlVlli^ . \J1 IB liUtlct HOli cl UL LvJte ' : Each of -these -assumptions, of matically bedomecultured in one trade course, Is nonsense. The proper con and uncultured In another. All of us cept of a university, as many ` " Ilavft ' om epecialties^otherwiso we become mere tlitettiiiiteiu Every tree of business executives are thought and indicates - the .avenues - branches - in profusion, and the critically as part of the criteria for WircjwgJi w h ic h eaui OTay tie ejipujreuL. .; branches After that:it irup-to the individual. with one another to pro sis " ' ' ibis at least according to our ______ The: Gray: Flannel Suit is' a pretty Despite, our mass attendance at 'superficial symbol after all (I don't : own one), and among my most valued HOW many of us can look back :upon the Ray we became college associates taste: in dress covers a tgfiffflMlfilUistttvpbco ucmllurl sQacldwy fvkilfalbfj rU,nII- fWk**ufv Umj * ' pretty broad pattern. Tins same goes we were educated people? I am sure lli education as c iw w j j bc , for personal habits and. enthusiasms. I cannot, and I know few who can. in "recent.years on the group,-with the .... As far wives, J earn..report that -among Most, if not all, of the Interests which +brittneri!i#iiaici,airu%%'yU' iwrm rutkueasrtii-Tuwiat fIi-Mhmn ceLfti-<tsjJTL*' in mi i1-4k*it&? . " my close :co-workers there are a num broaden and enrich our lives and but j" coOBtellatioI, ihe-'Boioist in liHiiehu ; ber whos ladies I have never seen. ft*:1&1,iL+i&-'ftx.v"`CI-.aCrcAI3Vtit1.0JY Irtrtci* r'nl- ble. Yet It will always be true, 1 am It is not conformity: in-the out- sure, that the individual will provide . history, yet at graduation I could have the basis for progress. Self-direction Is it is conformity in thought and / ratified neither Tacitus-nor Dio- difficult; it is frustrating and -often thinking. And on this level I suspect detain. My fancy for serious music downright unfashionable. Men of un that business is less constrained than was not developed in college: in those other ways of life. clays I listened respectfully to "Whis- resent n minority group within the paring" and "Avalon" ranks of society, subject to all the live is to cultivate the soil of human Sanctions and discriminations which thought,; its place in "business is the many years against the list -of books it" is the'uncommon man 'who will ; same as in any other field of human and authors ; I hope eventually to endeavor. The man oftalent who-tums know; 1 caught up with Thackeray aeMeve the goal of a true education; to business for a career will find just only last year. " . B oh short of- a jjsjftfOiiii.1 and. Injiily as much In the way of creative oppor There are, of course, young men individualistic effort, there is no other tunity as he would in any other field. who enter the business world and be way to actuate an .education at -all. - 18 BMB-- I Lii'.'l \\;i\ if! i E !!; i i:: i i! rA ; r;: ii-j s< ;:'i jj is (si i - i \\ i>!i 1 >. < h si \ i; k !i` lV I.IIC iiSMliifrh. j i: ; i : i iiliii! : h". . . .. I `":v -I :.iii ! : i:i i j .( si ii i: ! i u ^ iilih ii--:1'! i i;-: :-! . i: .:! i j ;! i i i, ! i iii'i:...' : i S :; P-'-i;: i v i- i i 5 \:-]-\ =1. :i 1 : I : ':::: s. ^ i i: \\ i ( ..-t *;. r ^ ii ill ! : i i:.i't :`!! i* JI! : :, . . ' [ ! :> hi;: . i i-!- is ;: I i'. :i i i: ;' ".p !!! ! . ' in {. i: '?'!: i: h i u : `d \ : ` i ? \ \! . i ! I.: !; i! * ! 1: i, I:'.*... ; * ::: t . I i'::P ;; .1 . I' ; : i i; i i'UliM ! I- . :N'\ : i i )i'.':, ii ' 1 i (<:! i ?' i i. ^ n' i 1 I i i : ' :' ! j '1 ' j h i 1 \ `} 1 ; s ' i i >. :. : i >. i i ! i .! 1 ii *'(i! ! . I!:! 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J ?: I. is i.i [\l ill t\\C.\\ 5 * . \ i ;i i ' : :C i \ ? 51; : i.; . s ..{< j s i: l : t ; ! : '! i . 1. I /' i . ;'i i'i { i !: ' i ! ! j I i i \ 1\ i . i; >;- ! \ Ji i; f H i * *<'* >* ; V-.'i }';. A :: .!! JiiA: i:\i- ,-* i > 11'.:-r r-wii:-. ,s j ;<} i-. l!::` ,:! i : >i:.: ' i . :'! <' j -t c; - ; ,f {i i i i: ! 5 .<?:; )'V . ` - l-j ; li-. hi \- : j : i '. i'.: i ! ' < .i r. ' i: i u::: i i; \\; .? : i a ::< = s'. < . ; i.::=!` . : ' i-.- i i !" :! ! !< j i ; :: i: . t, hr -4- :: ' -. . KsBBSKBKm ||M^J|jM||jljjjj|| j-S *:;. . M---- !i V % /:*-. "^is.rN.M| ^lliiii3 X T'i.>" A. `*1 -#.- fc. a. . "" * iK TW -j . , "'V`\..- **: v ,...' -'v: * ..-r ^ *.*- "** ,< *." ... rT r``' - --w,., s'' - lil % 3* :TM. ;v RHH kv**^*.. i .':>' " **"* ' : 4, W -w; ,y-A '"w . IV .. .>'..'... V =ii- f. ' ^r," '% -*/ M It ; Vi:," V*k ^ ^W--L--_ ^ - r\,,r-: : . . . __ -f * -.... '. 'W>--i %. . ......sx,. '# s.AiL '-"'i3|i0.^.M.^B. i `ip* H - " "*'*>' . '. ` V V* "::' + :; -c-`>...... M3r>vr; Mv- * *.... ^\ -y -.:.iit -Jp * ' : v ,5'yptH . ;, ta../ :'w - if Jj^jf J" T "- " *,.. " '%r - .. / *"" ,*. `" V \ i <*, ^ *" "" Jjw s... ;......<,,.' .. ...................; WP* mKaBmHuS......* ............ ..rjEFJ-- = v^/tc^ , W' St PWIW v ^ J . : - ' !#!& ii kn;;rf nV,,Wmto,/ Ctioltl; tio"tff?ca:BnUt:I 'n8r 18 4S1fBio? S Kmas*m^smfcmTs8m ' It isn't wholly a financial one. Part of the boom comes ill ore nutking -rubble................ lie of the hardest rocks in America B., rAmWj&lrJt rU|TUT>iTJLrUri7lNkf _ . DULUTH, MINN, evolutionary drill was really no drill at all Fueled by '"Brill enough holes, load them with'enough explosives . kerosene-and oxygen,, it squirted a 4JOOT, flame jet at awl you could blow Minnesota off the map!" ' . the rock. A stream of cold water-helped make the super-' Tills assurance, plus an encouraging cost estimate, heated rock spall, or flake away, while steam helped blow. was music to the ears of ironmining experts in Duluth, ' - the debris up and out of the hole. The jet piercer, tests : That was in 1947, when they wanted to 'know whether showed an hour, explosives could mine taeonite economically. The answer ' --an emphatic yes--has helped trigger one of the hottest It remained for explosives technician! to devise an industrial booms in modern II, S. history. atomical way to break up-the-super-hard-rock. The' It also-plunged Da.Pont blasting technicians into tools were right--high-density, high-energy .rock-bustam: one of the toughest and most intriguing workouts they've like Du Pont "Nitoame*" blasting agent and the leas faced .to date. It -happened this way; - costly "Niiramon" bias-ting agent and "Nitramite" nitro . By 1947 the tabled Mesabi seemed on the verge of carbo nitrate. Even so, it was no snap. Besides myriad final eclipse. More than two billion tons of Its high-grade J.^ I JteL, ,* J.t*. IMu X --. _4- jCto - henmtit* ore had been gulped-toy blast furnaces. One ray - of hope, however, was the .possibility that Minnesota's ton. It also faces two-fisted competition from domestic' taeonite, a rode with low iron mineral content, could at ores and from vast new high-grade ore deposits In Labrador last be mined economically. and Venezuela. Efficiency is the watchword. You can't - ' Fortunately, there already existed a workable con waste a penny--anywhere, -- . centration process for magnetic taeonite, of which Minne ' "Still, you can't be skimpy with your explosives, - sota boasted more than 1.7 billion tom. The process had either," : been devised years earlier by B, W, Davis, a University of' cheaper than anything else." . Minnesota mineralogist, but attempts to commercialize it Time proved the point. Pit men i ' had.'failed at a time when rich ore was plentiful. Perhaps oy mcmmmg toe . the:time had now come when taeonite -could compete, : Inspired simplicity characterized the Davis process. : Huge crushers would pulverize the chants; rod-and-ball ary blasting. It also meant excessive down time on mills 'would further reduce them. Magnetic separators- primary crushers, which could handle five-foot chunks of would remove powdered iron ore concentrates. The concen- flint-hard rock, but only at prohibitive cost to.their insides.. ...fates,.joa ..fine., .to ...be.shipped:..#*;.fed ...into ..Msife.lfuinices,...... .... But fine fragmentation had drawbacks,: too. For in would be dumped into balling drums that would roll the stance, blast 'holes had to be loaded nearly to the top.- worn ore into moist pellets the size of ainall walnuts. The' pellets would then be hardened In furnaces before shipment. to kingdom'come--sometimes a half mite from, the blast.- . So far so good. But how to mine taeonite?.The iron Ironically, if you cut down 'top-loading to reduce this- ore .particles lay scattered through gray-black metamor- "fiy," you piled broken taeonite 70 feet high. Then the: phic rock, Ifre-OaiiibrMji sediments :a|tered by time and. ore into trucks might bring imd- orrejr, has been worked out, and-today Professor'!.'W. Davis fathered - process Hull li,,. given llesiilil new kaso on life. - m. i 1: v : i >: i * ni;:;d : ^ *' :o fi\ .V;; : !' f>.\ v, ; \ \: i;' i 1 .. ii : :-t :l`! .no:. n. [K`\` ; ro > ;:'i \' i ! ' r > : 11 ' :'? i !. ; : i - y !! i i 1 i :' t .'<\* ': i s t 1 <> J i j; r ! i. i"': K >' i '> : . i : ; . r: :.:v f An . ' is fti : r. ; 1 f i jut " \:iiv ': i! i I \ '' 1 ' t i ii ' ;ii;.- : ii ne: V v'd J in i ! i!::i i :-n n. : i i-' \ ;:(: i !1 ci"d ini., ; s i i i i , !! :: I >! !\n. 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Mown o.':-;:.!1}* hfi' : - i `ra 'aSi' 11 ^* i o:uu<\ iimph in record number* as television spun production of cowboyfdmg a heroine to miiliona of kids as Annie isn't tine for him to figure-on-a. certain per Youngsters-the country over have centage of retakes, . jesterei their parents into buying replicas . Ho t does the director, of photography on if her clothing, gnus and other accessories, a TV filming job have the time be would . How else.does a TV western differ from normally devote to technical details. To keep i conventional one? Into 26 minutes, the'TV retakes to a minimum, Bradford shoots : iroduction crams virtually the same story Flying A's footage on DuPont "Superior" hat once-took 60 to 90. minutes to tel, 2 negative film, which offers both -exposure Subtleties, such as they were, are-gone com- : latitude and dependability, . detely. Today, you can separate the good - Because of time limits, companies' mak piys from the bad guys at a glance. ing TV westerns on location often operate Because of the small screen, TV action into the late afternoon. As the sun starts to leedn't be as spectacular. For instance, mob sink, Bradford shifts to tba new, high-speed icenes that require 50 people to be convinc- "Superior" 4 negative- film, and squeezes ng on a theatrical screen can be carried off every possible minute of production time ilfectively. with 10 to 20 actors, . out of available daylight. . . A feature western-used to take anywhere 'rom 10 to 21 days to make. A'TV western ' >. .EXTRA ADVISER ONSET a filmed in three. The TV features actually ' When a Flying A company is on location, ire made In pairs--two a week. Aa a rule of Du Pont representative J, W, DuVall an. humb, the producer's job ia to put out two extra adviser, providing - technical guidance rV westerns on a budget about 20 per cent seltsw that for a normal theatrical feature-- ' ules..-DuVall's regular service also includes ins in the face of operating costa that are riding the "up" escalator in the movie busi ly are every if A %m fPll * mjf A TkJ ri'm5 IlllfiV daily, visits to the labs processing Flying A films. Bradford rates such service as an important reason why lie's able to turn out good pictures under stringent schedules. : - TV westerns,-according to Hamilberg, Oh the-set itself, probably tba hardest- play to a thumping 15 to 20 million persons matt of all Is the bead -cameraman. a week. They-have established themselves as job, "evearunder normal-conditions, calls- front-line-allies.tools -for- such products - as.. hr one of Hollywood's most difficult com baked goods, cereals and dairy foods, where binations of talent. It's his responsibility, for nagging Mela can influence purchasing. Mer nstattce, to see that the machinery for put- chandise 'tied in' with the characters in ang the picture on film operates in cadence Flying A's productions--both for retail sale with the pace set by the director. and as premiums--racks up some $10 million - Making TV westerns, according to in annual business. ' : William Bradford, ASC (American Society Nor does a western series die when the' jf-Cinematographers), Flying A's director of . last bad man bitea the dust. The films earn photography, may call for shooting up to ten virtually the same viewer ratings-on the times as many scenes in a:single .day as are sixth rerun aa they do the first time around. usually done by a feature film company. This : Turnover of youthful audiences being what situation, of course, cuts the cameraman's It ia, all signs point to the sun continuing to operating tolerances drastically. There just shine brightly in western movie skies. ...Wwitormf4l!fJio|iraiihy...WIJlliin.Bradford ..discusses a.... scene with Dick Jones, right, who plays Buffalo Bill, Jr. rt#*f iS J this spring? Then take a look at some of these . , in srouj? By FAUNEIL J, EINN ," I said, "was never like this." - "It soon will be," replied Dorothy Liebes, New York . textile designer and a Do Pont consultant. on fabrics for the home furnishings field. ' The occasion was the winter home furnishings market in Chicago, where buyers from all over the country come ; to choose the items you and I will be shopping for In the ; months ahead. I met Mrs.'Liebes in the DuPont Textile Fibers exhibit, where three stunning rooms featured the' newest in carpets,; upholstery fabrics, draperies and case ments. The rooms were designed by Charles T. Haight of ' B. Altman,-Olga B. Gordon of.John Wanamaier, and ' Walter Bahno of W. & J. Sloane.' . What struck me about the DuPont display was the wide variety of colors and textures in the new carpets and upholstery, Hera, for example, were carpets of Du Pont : nylon in bright purple, bold red and white, and-pastels. Their frosty look is a special characteristic of nylon. Pretty, but how about practicality, I wanted to -know, A one common expression among designers, Mrs. . Liebes said, was that colors like these were'"not for the floor." Carpets of 100 per cent nylon have helped change that, she said, because they can be cleaned easily with. : minimum risk of losing their texture. The result is a new freedom for'designers to use colors they like without being- impractical. New combinations anil blends of nylon-with; oilier- fibers also offer broad style possibilities, she added, including new textures and cross-dyed effects.' ..........New. styles in..home furnishing..fafenca ipift juBt hap pen, I was told. Mrs. Liebes, who developed the upholstery' fabric shown second from the left on the opposite page; ' described how it came about. Incidentally, -this fabric is used in the "House of Ideas" sponsored by House and Garden magazine. : ' "The material was to cover a chair by a.window over looking a garden," she said. "A young family lived in the house. This meant to me that they probably would have contemporary furniture and would like gay Mora. It was the architecture: of the house-and the: rest of the Interior. "We decided .the colors should relate to the outdoors and also to the redwood shade of the room. So wo -picked several texfared nylon .-and rayon yarns in the blue-green family- and worked out a hand-loomed sample. The archi tect and decorator both liked it, as it happened, and it was turned over to a mill for commercial production," ......... New-carpet-conBtruGtiona-of-D-uPont.nylon.aEe.created... similarly by designers. Then samples are tested by the rug manufacturer, and usually fay DuPont's Textile - Fibers hold its texture sittisfitiefcorily. The Chicago market, Mrs. Liebes told -me, fore shadows several new trends in home decoration, For carpets; more pronounced textures and cleaner colors. The shaggy, deep pile of Du Pont nylon will be a new look. Tufted and woven carpets are available in practical twist-set. friezes and loop-pile constructions. Sable gray, fire engine red and pale vermouth green are For casements and draperies: a tend toward both pastels and bright Mors in sheer fabrics of ."Dacron" -polyester fiber. Also expected to he popular are bold prints on cotton and rayon fabrics made with warp constructions of "Dacron." for added strength and stability. For upholstery: fabrics of nylon and rayon and 100 per cent nylon In geometric patterns, scaled down for today's smaller rooms. More metallic yarns, especially dlia -will be added for interest. There also will he more multi-, J, In contrast to fabrics insolid colors. - Carpels' mul fabrics of inait-mmle fibers, Du:Pont (A ) CB),g o b b l e s u p w o b >m >/=* " Ff/>GET SALLEBAJAtA C&) >AAfCz^ FALL fAJTO BUCKEFCF)EXTFA WE/GHT PUL AS JM4 >& (GX FFFA ,//V f'Sr 7......................... .. FfE^^AGECW ! The supply of midget ballet dancers being limited, we know of no present- plans to mass produce Rube Goldberg's remarkable new invention, ' Meantime, your own good sense will have to. tell you it's time to arrange . . . . for years now, like the crocuses--or is it croci?--antifreeze makers have popped up each spring to warn their customers : that winter-worn antifreeze solutions should be drained and discarded. Even the best so-called."permanent'1 antifreezes are likely to exhaust their corrosion-inhibiting properties : over the-winter, their manufacturers warn, and the arrival of warm weather can signal the start of cooling system trouble if old solutions are retained. - These warnings have been reinforced by similar urging ' from such disinterested parties as the Society of Auto motive Engineers, the-American Society-for Testing Materials, the National- Bureau of Standards and car manufacturers themselves in their service manuals. . Has this impressive weight of advice- made itself* felt? Only with three out of five users of "permanent" anti freeze, The others still leave antifreeze solutions In their . cooling systems for more than a year. - EXPERTS HOT DISSUADED' : Nothing daunted, the experts are back on the-stump this spring to sound their annual warning for the benefit of the unconvinced two-fifths. Their argument is this: ' True, reputable brands of antifreeze contain inhibitors ... fo-gnarci-"iigainBt-mdd,-rjit-ancl--corroaioii.-;Both""Du#cit.. "Zerone" and "Zerex" antifreeze, for example, have special - chemical inhibitors. But no inhibitor lasts indefinitely. It's used up even faster if a faulty gasket lets acid-causing exhaust gases into the antifreeze solution. Other factors contribute to this process. Once the inhibitor is exhausted, you've had it. The addition of more inhibitor to an old solution won't solve the problem, for Inhibitors react- with acids to form salts, and an abundance of these salts can themselves be corrosive. In short, the advisers say, -it's likely to be cheaper In the long run to use fresh antifreeze each year than to take a chance and wind up replacing a radiator, water pump or other cooling system part. Hood styling trends in postwar cars have reduced radiator area, too, which means that a cooling system must operate at peak efficiency to dissipate engine heat. Espe cially if you're unlucky enough to be trapped in one of those ImacE-Soill'Iirailo'lIiiii.SI.I.Similar.we*hHl: Antifreeze is designed to protect against freezing, and its heat transfer properties are entirely satisfactory in the wintertime. But in hot weather, the "permanent" type isn't as efficient a coolant as plain water. Grease and rust in a cooling system, if they aren't removed in the spring, also cut down on summer cooling capacity, . . ' Most automatic transmissions, by the way, are now tied into the car's cooing system through an intercooler, where transmission fluid gives up its heat to the radiator solution. Sediment in this intercooler, ifit isn't cleaned out -in spring, can restrict heat removal. And excessive heat-can cause -expensive damage in a transmission, - automotive sources point out. .' After antifreeze drainout, it's recommended that you clean and flush the system before refilling with fresh water, DuPont Past'Flush does the job in about ten minutes while your engine idles, cleaning out rust, scale and grease. Or, If you oaii't spare ton minutes, simply poor in Fast flush and drive around for a few days before you drain. -The results are the same, .: Then, to -protect -against rust and corrosion in the -summertime, you're wise to add a chemical Inhibitor, Du Pont Anti-Bust and Water Pump- Lubricant, at the .time ..you refill...wtth:. frisb...water....-........; :...................... ;....... Whether you have your cooing system spring-cleaned at a service station or do it yourself isn't'important. What Is important, according- to antifreeze malmm and other qualified advisers, ia that it be done each spring. . ' IN SMOG, A MOTORIST'S' FANCY SHOULD TURN TO... 1. Draining out old antifreeze solution. - ' 2. Cleaning (ini rust, scale and grease with a chemical cleaner. 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S!,Si. {.\ isu'-s y>U SivnMn'y y i i : s s 11 \ y i-i s 1:: hu.'.-i; {'i.SP' : i : i i i i- I Ol! (:!!!!: i: !\: vi; is-' !\ . ;si.: . " !V\' I f > ; j IM u ;i'nv s i: pi: ' I .-SS i U!'i ;::... [ < .S i. i !!!': . S:l :S; . i. ! >\ ;>if u!; i . \ . i i u'-A' iS.'V:- fi{>:- \i i j' | i` i i'l i i ! i v ! i > iii ; :\>'S :: i'.SM:- i!; u - j i: :i< s i i! 3: : | i ; } i i-': sui i::Ms diUW'i. : l;: i si.':: S I {; . S >i : i !i':: \ j : f i!: i i : :' :::; i ( \u ;; 11 t;i i-fir '*> P'lJuji -sic-f;- <;u u- l;n-i > <} h* V-. > < Jf i < ? t .< t :<: 3 >i' \v i: i l :i . t i' <r. j: i r . /id i ner ai nrrc if there's Du Pont Ludox' in the floor wax J lei* hurried steps across highly polished floors are safer steps because there's "Ludox" colloidal silica--Du Pout's anti-slip ingredient--in the floor wax. Tiny, transparent spheres of "Ludox" in the wax exert a "snubbing" action on every footstep . . . arrest the loot's forward motion . . . give the foot positive traction. Have your maintenance man insist on a floor wax that combines safety with gloss and water resistance--a floor wax properly formulated with Du Pont "Ludox". E. I. du Pont de Nemours & Co. (Inc.), Grasselli Chemicals Dept., Wilmington 98, Del. For safety underfoot, specify floor waxes containing LUDOX COLLOIDAL SILICA QUPONP BETTER THINGS FOR BETTER LIVING . . . THROUGH CHEMISTRY The easiest way we know to put the squeeze on insects and plant diseases is with DuPont Squeeze-Dusters Each flexible container--made of "Alathon" polyethylene resin --needs only a gentle squeeze and, poof, the dust is off in a cloud A new 6% Chlordane Squeeze-Duster joins the family this spring to battle such pests as cutworms, Japanese beetles, chiggcrs, roaches and ants. It can be used both indoors and outdoors Also in Squeeze-Dusters at your garden supply store are such standbys as Rose Insecticide and Fungicide, Floral Dust, Vegetable Garden Dust and Tomato Dust. Du Pont Garden Chemicals mvm 5. PAT. Of r. BETTER THINGS FOR BETTER L I V IN G ... THROUGH CHEMISTRY Watch "Du Pont Theater" on Television fin! 4 WM-IBIfl L...-T |'mnfl