Document KGeDzokYDRdJ3X11m8JL72pjx

VOLUME EIGHTEEN 1950 NUMBER ONE ./ sinking view of the almost completed United .Nations Secretariat Building. Red lead protects the structural steei against corrosion /ust as it has for years on the much older structure in the buck- ground. the Oueensboro Bridge. See page 2. j<mm HE first of a group of buddings to T-erve as L, n 1 ted Nations world headquarters :.s nearing completion beside the East River in New A ork i lits . This is the thirty-nine story Sec retariat Building. Hidden under its glittering giass and marole exterior is a supporting structure containing almost tourteen thousand tons ol structural steel pro tected bv a shop coat ot pure red lead paint. This partially completed frame work is shown in the accompanying photographs taken at various = taees during erection. The steelwork was fabricated and erected bv the American Bridge Com pany wdth Dr. C. Earl 'X ebb. chief engineer, in charge ot the project for that company. Edwards and Hjorth were the consulting engineers. The rust inhibit]ve red lead coat was shop applied and required four thousand three hundred gallons ot paint conforming to Federal Specifi cation TT-P-86. This specification rails for a readv-mixed red lead-lin seed oil paint weighing at least 25 lb. per gallon with a minimum pigment content of 77.5 percent bv weight. The pigment is composed entirely ot red lead, containing not less than 97 percent PbjO,. This paint is particu larly well suited for structural steel priming since it combines the essential protective features of corrosion in hibition ana good adhesion. Among the outstanding characteristics of red lead as a corrosion inhibitive pigment is its aDiiitv to prevent rust creep and undercutting around areas denuded bv scratching and abrading in transit from mill to erection site. The shop coat was applied bv spray ing as illustrated below. Before appli cation of the paint, the steel was thor At the plant of the American Bridge Co., supplier; of the steel /or the /..V. building, a uorkman l s shown applying a shop :oat of red leaa to a steel girder. Ail ER BRIDGE CO oughly cleaned of rust, dirt and loose scaie bv means of wire brushing and scraping--all oil and grease were aiso removed. The producers ot structural steel have long realized that adequate surtace preparation ranks equal m Importance with the selection ot the best quality paint. The planning ot the l nited Nations headquarters is being carried out on an international scale befitting the world-wide scope of the organization. Wallace K. Harrison, b nited Nations director of planning, 'was .i-osted in the various architectural and engineer ing aspects of the project b\ eminent experts trom ten ot the twenty-nine Member nations. Also prominent in the planning and building are Max Abramovitz. deputy director ot plan ning. and Mr. James A. Dawson, chief construction engineer. The U. N. Secretariat is one among manv world renowned -kvrapers and monumental works containing red lead protected structural steel. Dur able red lead paints of this type or specifically formulated to meet par ticular exposure demands are aiso widely used for initial painting and maintenance ol bridges, 'hips, water tanks, gas holders, pipelines and in dustrial enuioment. LI A 2 5956 Load Equipment Helps Solve Industrial Water Pollution Problem ONTAMINATION and water pol C lution are terms that main indus trial plant operator? are r-estnmnz to regard with trowms alarm. Hie r ederal ater Pollution hontroi Set nt 'PM8 gives concrete evidence at na tion-wide concern tor this problem bv irfenng both tinancial and technical assistance to the stares in carrying out their own -tream pollution control programs. Important industrial states :n turn have taken up the precedent and strengthened enforcement of their own stream pollution and other in dustrial waste disposal statutes. The effect ot much legislation is that iniustrial plants normally producin': acid or corrosive wastes can no longer dispose or ihtir -aste products o\ lumping them into the nearest river or pouring them dow n the drain. Located in the heart of a heavih noustriaiizea and populated area. h. B. Pemck i bompanv, producers and manutacturers of botanical drugs and nrie chemicals, eiiminated -what could ' "1 1 > 1 'V r-iE tON C4B1 3H*C*[TS ibove, :he ail lead sewerage and solvent trap and neutralizer installed in a plant oi '.he 5. B. Pemck cSr Co. Lett, a drmcing nt the equipment. { "JRN 't,11 .USD 'It" **1.1- S3 SUffHtD -0 -NSiDt CF '"Hi Iih a u STiNG "DWAftOS '-'*0 i^OWN wa r[Ria l i l S a*0 o ^an t iu c n t `fi 'nc-.Li - -jp $" ->( to ..'.3 .i*u ifii ;P*N030T'TD.M8,"tAC5 .2 LS it>0 -ot jii , '>u SPONSION SOL IS * have been a harmful source of sewage contamination by installing a drum type sewage solvent trap and neutral izer constructed entirely ot antimonial lead. This is a unique installation, conceived and designed bv engineers of S. B. Penick and Company. Waste materials from one of the company's laboratories consists large ly of water which is often 3cid in reaction or may be carrying small amounts of immiscible solvents. Since this waste product is corrosive and must enter the city sewage system, pre ventive action had to be taken at the source to neutralize the acid and also remove the immiscible materials. Most sewage systems cannot tolerate corrosives because of possible damage to sewer construction as well as the detrimental effect of these chemicals on normal sewage disposal operations. Certain immiscibles such as oils and solvents tend to hinder disposal op erations besides contributing much to the malodor of the sewage. In inv event, this company like many others throughout the country has success fully managed to eliminate, at the outset, many hazards which might otherwise have arisen as a result of indiscriminate disposal of contami nated liquid waste products. All of the chemical wastes from the L I A2 59 5 iahoratorv enter from the right of the large iiiameter trap snow n in the ;ilus tra t i o n. Here the light immiscible sol vents rise to the surface and are dis tilled nut continuously bv means of a 'ead 'team coil located at this level : the -team exhausting into the enam:>er. The solvent Pistillate goes to the door above where it ts collected tor -eparate oi.-oo-al. Heavv immiscible -olvents tall to the bottom ot the chamber anti are removed at intervals h\ opening the valve at the base. The balance of the waste now substantially tree of -lunges. solvents and oils, passes into the smaller diameter trap near the bottom and rises through a bed ot broken iimestone which neu tralize anv acids. Thus purged ot it; harmtui contaminants, the purified waste "liters the sewer line near the top ot 'he neutralizing chamber. The Height ot this exit line is so designed as to maintain a constant liquid level m the large trap just above the steam coil. This facilitates effective removal ot the immiscibie solvents. The construction details of this en ure unit are shown in the accompany ing iirawing. Antimomai lead 6 per cent) is used throughout as the mate rial ot construction because of its greater strength characteristics over that ot soft lead. The shells of both traps consist of 3-lb. antimomai lead whiie the top of the large trap and the top and bottom or the -mail one consist of 12-lb. antimonial lead. The -team coii is ! . in. antimomai lead pipe with a `3-in. wall thickness. This unique trail was installed a tittle over a rear ago orimariiv ;o protect the citv sew age lines, it has performed this function successfully having been cleaned and recharged onlv once during this period. No evi dence ot corrosion of the lead habeen observable. Bathroom 16 \ 27 and a N interesting installation ot -beet A lead for waterproofing a large nan. a welded joint was made at the juncture. Lead boots or sleeves also bathroom was recently made in thwe elded to ttie pan were installed Lamda (Ihi Alpha Fraternity House at around risers and approximately a 'lie Louisiana Mate Iniversitv. The one loot upstand was used around the entire bathroom door, measuring 16 entire room, excluding the entrance 27 It. w a- compieteiv covered with wav. To coniine die area oi greatest 3-lb. -iieet tead. possible -eepage. an extra o-in. up- i lie large area covered required stand welded to the pan. was installed -everal -ections ot -beet lead which around the -bower -tails themselves. were joined together with welded Upon completion of the lead work burned i punts. 'A here lead fittings, and before the cement was laid, die ot necessitv. protruded through the entire pan and upstands were coated Pheet lead pan installed in the Lamda Chi Alpha Fraternity house at Louisiana State L nicer sits. All joints are u elded and after testing a coating of asphailum was applied. with a high grade a.-nnaitum paint. This last is ot particular importance as such sheet lead nan iaiiures a- nave come to our attention Have seen at tributable to the absence ot tin- uni ted ion during tile concrete curing -tage. The t .erdes Plumbing ami Mealing t.o. ot Baton Houge. La., weie he contractors. Inasmuch as the u-e >1 -ingle ami multiple shower -tall.- ;> ncrea-ing. the following suggested specification for lead shower pan.-, along with the detailed drawings arcnmpan v m g !hiarticle. will probablv tie oi mtere-t: --4-- 31 CCFa TF!) bPfd iFH \TioN Fuji LF AD 'HOW LK P AN- Shower -tall i room door- -bail .he compieteiv lined with i lb. ' n il... 3 lb. I -beet lead pan- turned at least 6 in. up die side wall- ail around. Corners ot pans -hall he folded light ly against the upstand and -oldered t welded ) along the top. Porner- if pans .-hall be a lap joint prepared bv lapping one side of !he ap-tanb wrr the other at least f in. and -oidt-r.ng welding' the vertical -earn. Top ot upstand.- -hail be -*u ;.j s : in. into notches m -turfs. I u i - - o' up. stands shall be dressed tightiv LI ^5958 .EAD SHOWER PAN COATED WITH ASPHALTUM masonrv -.aiis. .n rooms mo ,arae ') oe m>\ erea :>v j sm2!e sneec oi lead, 'am? momc meets muii w aoueu n .east _ ,a. ,:i mrection >! now .me a e ! 11 e i - ' (i e r e i - t n -miier -weateu mtueen me mens m me `.Hath u me i\rr:ap. 1 . '[icreiH inner nans maii . e : riju>_inc m a -mourn musn m .. mixtuie a 'nneru ana ann. .inn me :eaa .wu coatea im noth -mes 'Aim a nmu m.me m ..sonaitum. R oou m.;m`s inner 'miT mall . e arm arui even with nail neans set. ana made '( o eil-nasoned ' . ,n. roams mvered ah u.-onait - unoreimated mnidins euoer weiuninsr at .east .a n oer -mare, inf me oi Dans on wood mors -nail :e weii 'maten '.'.an a aoon .ina mixture -nan .e men .m-me nans n naaiaainn mr :i.e. Runs maii ne craned to me I'><r mam m .'.men ' n e ' - 1: a i i e ' c n r e i ' - > i n e r e a Aeirien ' amiieii ' ike man mmse 'sail oe 11ri[er-m?ik emu wr;i mies provided m 'ne main ust doom me can. file man -nail m :mnteed aia nan filled a nh water as a test net ore installing the cement arui tiie. Il nans are teit mmn without mimeaiatetv n-tailins tiie. thev -nail ne protected ov neavv nniinina miuer mtii tiled er. The I se nl Lead in Lubricants ? \RT I DIKING me an war the Rntisu :mi Lh m Raw Submarine ^erve nan . . ne mm a serious neonem: Hie tact that oii slick rloatint? on me sunace *>t the sea couid be a tatai .".prA,i\ ' i -nnmanne n m i l n m:;eam the surface. it became esoeciai l\ mneerou- n me atter '^ars m the ^ar !a nen allied submarines <'arried :me attach to our enemies mores arid '.aroors. 'mnnirr -mil?. Deri-cnnH'. m-an- tom u an\ imume uetacneu .iisteau "t floating to the surface ana terming in oii slick. Labncation experts from -everai prominent \mencan mmnan;es approacneu tne problem m t \ ina to increase me soecinc ara\ic\ m the inncant so that it \\ouid still 1 unction .is a miter- and mrronon resistant uoncant out would no mneer boat. Vtter 'onsmeranie -c^arm ann ex:'erimentatiori a formula -as ue\ei"Oed in wnicn a calcium oa.se grease anriratea m assure proper function- .a. '.if me rm hem a a.- "mu .; at-mmm mat * < u iu ->mk to me ( ;:;< n icaaca ur`"l StA 0 >ea jn a.i .xoosea bearing surfaces. L I A 2 5^ 5 9 I was loaded with finely dispersed pow dered metallic lead. The lead added in this form gave the results desired: Specific gravity of the lubricant was greater than that of sea water and could no longer form a tell tale oil slick on the surface. Furthermore the lubricating characteristics and waterana corrosion-resistance were en hanced bv the presence of the lead. 'X'hile the development of a non slick. top-side lubricant served a unique i unction in submarine war fare. powdered lead as an additive in lubricants has served [or many vears in peacetime applications. Lead in the form of fine powder intimately mixed with grease markedly improves its lubricating properties. High quality leaded lubricants contain an average of 20 per cent hv weight of metallic lead which is introduced to the grease during agitation. In use. the grease acts as a vehicle to carrv particies of lead powder to the gear or wearing surfaces where, under pressure, the lead powder coa lesces and forms a uniform laver or him of lead. An important and valu able property at such a lubricant is the 'act that the extremely tenacious lead lining or covering fills score marks, pitted or worn surfaces and thus, in effect, renews them. Once this has taken place, the lead coating itself becomes the bearing surface and since lead has excellent anti-friction prop erties. the result is smooth, frictionfree. auiet operation. Lubricants containing metallic lead are exceptionally valuable in appli cations where gears and bearings are open or exposed to dirt, grit and abra sive materials. The comparatively soft film oi lead is capable of absorbing such materials without injuring the bearing surface. Some large Herring bone gears tvpical of those with which leaded lubricants are used are shown in the accompanying illustration. Bv guarding against the combined action of corrosive mine waters and abrasion from slimes and grit, leaded greases have found wide application m the mining industry, in mill table gears and bearings, wire rope ana cable, bail mills, hoists and pumps. The use ot powdered lead greases on w ire rope w hich consists oi strands of wire surrounding a central core of heme rooe is noteworthy. This sDeciai grease 'is applied to the hemp to pre vent excessive squeezing ot the indi vidual fibers as well 3s to provide con tinuous lubrication to the internal wire strands. In this manner kmcking of the wire strands and deformation of the core sections are largely elimi nated. There are several lead greases on A pinion dnvo gear unit sh ou in e ihr on i r ot < > < t e m o' i splash luoricator The important lubri cating sections are indicated ' and are typical of service in which leaded lubri cants are used. t h e Fa l k c o r ?. 'he market todav which contain the tnpie combination ol metallic lead powder, litharge and lead soaDs. ^uch romoinations resuit .n lubricants 'hicn matenailv reauce friction and consequently lower the operating tem perature. Thev have an increased load tarrying abiiitv :n addition to ore entina near and corrosion. Lead -oaps in a lubricant enhance the load .'arming capacity at extreme pres sure agents and in adciition are highly oenenciai In improving resistance to corrosion a hen w ater is present. Red lead and sometimes btharge are added to ordinary grease tor use as a drill stem lubricant in oil well drilling operations. The lead com pounds act as anti-gailing agents on threaded joints. Red lead plus grease has also found extensive use as a thread jointing comDouna for nuts and boits exDosed to high temperature service such as oil locomotives and noiler installations. .Not manv vears ago the use of addi tives in grease was almost unknown. Todav additives to give extreme pres sure properties, hign melting points, acid resistance, increased tenacity and tackiness, water resistance, loam re sistance as well as other properties are available in manv different modi fications and are widely used. Part II which will appear m the next issue of LEAD will describe how greases compounded with lead soaps are made, where thev are used and ho" thev function. 6-- -- L I A2 5960 Lead Outstanding in Accelerated Corrosion Studv N a recent test of various material's I used in -oii waste and vent lines .'(.inducted under accelerated 'rendi tions in Port Worth. Texas, lead pipe Droved to be outstanding, having a relative life expectance ot more than -ix times anv of the other materials tested. The results ot the test, outlined in a paper presented at the 1949 annual convention of the American Society oi ianitarv Engineering, was pre pared from data developed bv John D. Kane, chief plumbing inspector. De partment of Public Works. Fort W orth. Texas. The test samples, ot materials cus tomarily used for soil, waste and vent lines and those recently suggested lor this use. were approximately 2 ft. in length and conformed to established plumbing size specifications. The sam ples were placed in a wooden rack which was then placed in a manhole carrying the return sludge from the Fort Worth sewage disposal plant's aeration basin. The samples were not submerged in the sewage but were kept 18 in. above the water line. Tests of the conditions surrounding the test -amples showed the sewage to be alkame. the condensed moisture on the .-amples acid and the atmosphere sur rounding the test pieces to contain hvarogen sulphide. Of course, being an accelerated test, the conditions ot the test were more stringent than orainariiv found in the piumbing system but all of these conditions are present in the ordinary waste system to a lesser degree. The duration of the test was one ear and alter this time, the weight loss of the lead, a simple method of figuring corrosion, was less than anv of the other materials tested. In addi tion. the lead was the only material not affected bv pitting, whereas all of the others were pitted in varying de grees and in one case, had pitted com- ielt. The pipe samples after under going me lest. The lead sample, ex treme right, is still in perfect conainon m contrast to the others, ail severely or coded and pitted. Below, the wooden test mck and exposure site. The lest rack ucas placed m the man hole shown in the foreground. pletelv through the wall of the pipe. This particular sample had com pletely failed in six months. Complete copies of the paper en titled "Comparative Corrosion Study of Soil. W aste and Vent Pipe Mate rials'" are available by writing to the Dead Industries Association. 420 Lex ington Avenue. New Aork 17, N. Y. EAD dust, .-pnnkled over die word L MONITOR which, still wet with ink and placed between an unexposed dim and native radioactive ore from .Montana, produced the accompanving photograph after 30 hours in the dark room. The original print was made bv John Eieslein, son of the publisher of the Boulder i Mont. I MONITOR. The radioactive uranium ore was found on the dump of the Free Enterprise mine. The Free Enterprise group is oper ated bv the Sunshine 'fining Co. un der an agreement with the lessee. Elkhorn Mining Co. *42596 1 MEMBERS OF THE LEAD INDUSTRIES ASSOCIATION > LP H A M E T \ L5 . INC ~HF AMERICAN' ' I hi : \ L . O . LTD Brnokivn X \ M r'A \ urK N . T WMERH '\ MELTING 4 RhPININi, . > , Nr* T ork N. T . B E K s .* p 'Ml' MW INC. IJhiiaafinnid. :'3 ` BROKEN HILL ASSOCIATED - M E L T F R - UMn'Rl ET \R\ LTD M <? hr.'j r-.e Mu ; m i a MKmKEX MILL `ITH. LTD Me, brume >. u-irani BUM Kr ?. MILL A LL1\ \.\ 11 \ I \ 1. . \ D 1 \ TR \T1XG ) or- ^ej. Idaho 1 B R 15 h c. ' W F LTD- G ''0. jn-.nr 'inc Mi-- p R K <; XL 'f`!' LR DORP 'i-' - 'ifk N \ THE ;1 \H ID V TE D MIXING i sMLLTiNo * `ML MW F '..N Af) \ _ I'D D\\ '. 11 X EE .V ' U'ntreai Canada A a; iff Llano DU. KsoN A E \ l"ri L RE Pa k >F X \1L CO FT. 'non. I il Jl\ I-10X Lh\D CO . r.iCiao 111 I auD'NT :e NEMOURS 4 CO INC WLrr.mzton. Dei. THE EAGLE Lie HER UOMPMW .incimau uniu -:h f e l e c t r ic c c t o -l it e c o mp \s ,1 T >ie<jo. ()hm "HE ELECTRIC -TORAGE 3ATTER\ co.MPl.W Phiiaoemma. ?3 r. T H V L ' Kl'OR \ r l () N N "'a \ 'jrk . X Y T STOX LEC.D -The GUiden 'To -cranton. Pa ANN LEAD DIM-Lj X Wuonai Lead Co > Uhanepion. 'A' '. a, E\ WE IET AL CO \t lama. Ga. - EDKR \L 'MIXING A -MELTING CO New \ OfK. X V FEDERATED METALS Ol\ islON OF AMERICAN - MELTING A RE FIX IX G *T0 X r-w York X \ . 'THE FIRESTONE TIRE A ROBBER CO. - kron. Ohio THE FI.EM.M LEAD CO I NX. .or.e Diana Guy X V. V P FULLER A CO -an r ra.nci>co. k ai. GARDINER MET AL CO Chicago. :!I GENERAL LEAD MAN I TACTl R IN G CQ .Tl .a ER LEAD CO.. INC. GOLDSMITH RROs -MELTING A REFINING Co Den \ er o o Brook An. X Y. Chicaso III HAMMOND LE\D PRODUCTS INC Hammono ina HECLA .MIXING CO. 'A'anace. idaiio HUDSON sMELTING A REFINING CO N e1* arv . X J IMPERIAL TYPE METAL CO I'hiiadeinnia. Pa INTERN \TIONAL -MELTING A REFINING LA \naconaa sales Co Agent*, i Pork. X V THE JOHNSTON FOIL MANTTuTTRINO CO.M|'\N\ Louis. Mo W \FE* MILLS, INC 0f12 i M nd C.'y, X Y WAD PRODUCTS CO -Duscon. FeTiS LiHN R. MacGREGuR IE\D or) MET'.Li REFINING CO The G,l0hen C0 'METRO -MELTING f'u MIKE HORbE 'MIXING A MILLING co N \ rio.N AL LE \D ' LJ "'.icaao. ill Hammond Inn Aiiaaeinnia. Pa. Heiena. Mom \ H'A Pi.RK MIXING i o n o r t h Ame r ic a n -me l t in g c o rM n o r t h b r o k e n h il l l t d NORTHWEST LE.AD COMP \ N\ ~HE OKOMTE CO. PARK LTAH CONsOLIDATED 'MINES mo Nee'.iev, L iar. A 11 rninzt on. Dei. ' le ijoumr \u?traua 'A aan Passaic. N ' -'i.t Lake 1 .!v l ran : A. N W\L\AXI A -MELTING A REFINING .'< > PHELPS DODGE CORP 'Tk N V RI \ F. R -MELTING A REFINING '0 X.-'. e ann '.Ohio ROCHESTER LEAD 'A'ORKS INC -T u-EPH LF.AD CO -HR FTl'CK DE.W MINING CORP MLLF.R KING COALITION MINES CO. -a.t Lake ' ity , U Can -ILVER5TEIN A PINSOF INC -TU\D\RD ROLLING MILLS. INC. 'hicaao. III. Brooklvn , N . Y. -UN5HINE MINING CQ UNITED CMERICAN METALS CORP \ .ikima. Wasn. Brooklyn. X V. L NOTED -T \TES -MELTING REFINING UXD 'MINING CO., INC THE MCTORY WHITE METAL CO HYMAN VIF.NER 4 <ONS CLUMN LEAD PRODUCTS CO nM*' York X Y. 'Lwiinc. cDhio Ricnmona Ya. ' 1:01 iixee. \Y is THE WEXSLEY METAL PRODUCTS CO WESTERLY ELECTRIC ('0. INC Denver. Coio WHITE 'METAL ROLLING i -T\MPI\G a)RT .-r'-v.Wyn X Y WINCHESTER REPEATING a R.MS CO 'THE TINC CORP LTD r* na\ en . L onn. Ifiboume. 'ujsiraiia ' \ssociate Member. CORRECTION The following article? and feorints contain information drawings and soectficationj on the >jse o1 lead products heioful to architects, engineers and othen in the construction industry. They ir* available, free of marge, uoon reouest to the Lead Industries Association. -120 Lexington A*mie. *<ew Yort 17, M. Y. PROPERTY PROTECTION ITH ^ VOTE LE KD PkINT C * oaee ''V'Kiei ';n me r-rnief-rnp tiiui1 jurimiuv ind >*uiv ( i'sif * r>11 e ea.i rmni *110 maniin uriiai i nz 'aOle> d-rniuia- in,i nuine and rinunc .nslruri ion? .'or "itemr an.i nirfinf j>e . MT in OF PUNT'S TOR EX.LOSEn ' rRl CT1 R VL MKMIIF.R'' IN -TEEL h o i mm: l o n -t r i cntiN n* H. A. PraT and R. V People*. Raiiell* Memo rial Institute \ .i-prim -i i `aner *nnfi '< reau ''`'fore '.he 'Anr-ral N11-1: nc >f hr \merican Iron in.I Men insuiuir M\ A : ' -i-o-ofed ihr 4nrK The -uj'i' -ru n.jr i -uinr A '<10.1- if fiamt 'Ufins \ N INN EMIf, \riON OF PRIMER" TOR MNRIM \rMO-PIIVRU: ENV IRON M ENT" {|t C. J. ' ander Nrjik, Teehmeal Dlreetor. Red Lead OiMMon. Lead Industries Asso rt a 11 on n,-*t)U` if in n\pticaiiun of 'vniheiir 'entfle* ami *. j ran rnufi rucnient rinnier* our an e\nonre .leriou A :!irrr arid one-haif eari :n a -morons nanne 11lure Re(irinieo from nftlrUi Alue'! ] >n m ined The federsuon if Paint and Varnish t'r.niocuon RED LEAD TECHNICAL LETTERS \ -eries of :c'inirtl ienors issued hv :he Reu Lead Di\imn. Leau Inilu * 1 r j Iswianon The oumOers inj i.uies folios* wiusble u'r.araieiy , Technical Leiier No. 3 -- Red Lead Primer* for ytmo-pherte Exposure Technical Leiier N0. i --Red Lead Paints for Marine Exposures N tX' MARINE PRIMERS 3t K.. H. Roll and C. J. Vander N aik. !,eud Industries N*ociation jrtirle in ie ly ie'eioped ,naim printers fur iieiais eTOO`ca :o nirinf nmo'onerei intien ?t - ;rr<5i> for 'he i>t-r-->n * hn i noi a oamt lecnnnlojlsL Arormied from Marine Lncmecfirie .ind Shippjnc ;le' ie Md rcti A` P* ronno'iON rom m \ -<>ne< "f -nr mure ariule- m .he 'i<<- .if lead as 1 i..H'fini "i ns .1 i fiiruiriirMun n "ntart a'lifi ,n- '".loumtr n.-m;i.ii- jsaiiaMe -rnaratelv! I'hiorine i I v, trrw-Hu.ri. \, i. 11 \ irurtuorir Snd iniHi-inai \lro- "" -1 < 1111" r r I r \ ( iii --1,11111 ni 1 hlortjf Sijlpmif Diotldc. "I,. (-Millin' \ r-111 iLnrimc.i fri.'ii 1 hinnrai Ln c 1 n.-eri n u ' fOMMERClVL -rNNDVRD": C a J k I n m Lead, i i. 4 1 IlfhiiHI ;nilil ;H mil- `x 'Ilf liiniTilim'iil I'rtillific <>f- : r r nrri 11 it,i 11'. 1 n t I' - hi'T'jriniem of .'om- '" r. ' Mr. mu J uni- '! -'.iiiniidi Murrau of >1 andardi. i ':l VEDKHNL -PH IKIC\TfO\ ^'.p.n25 For Pipe. Ilenl* anti Trap*. LEND P ' r t ' nf * i-i mu (\' if 'hr fcieral Susn.iariL `in.it 1 ii.iK-c otlmai iiuiii u ai ion i" '.lie Tin ernnient I'rim- n c OrTIte FEDERAL -PEMinCNTION TTPflha Paint; Ked Le H-BaReadf-Mlxed ` n.ers four '\pe nf red lead h*se ^aim inrtudlne to 'as( irs me 'nrinuuiWins Mans intended application* isied LEND WELDING \n nfrirnianse a- **H 1$ nrartirai zuide '.0 lead -seiding Rrprmiesl 'rom the A>Mir\ Handhook. Third F.dinnn nunhified h> t lie American Weidinj > > lety MATERIALS AO M ETHODS OF X-RAV PROTECTION B Geortre -inaer, Ariine Chief Radiation -eesion. National Bureau of ''landard*. ashinaion. D. C.. and George C. Loe. -nee. PhD.. National Research Covtnctl of G.anada \ ,,|jni.|itn of 'he maieriais suitable for use m snield"S X ra> .n*!jl!aii'>ns Rpnnnie.i 'rom tnduairtai Ru nokTanns . 'M ;v \'n : iAii is 1 '> In ihe irticie entitled "Lean Hater Services L rider Uruehnz (.onninons in \ ew )ork. appearing in -:r\p last issue of "Lead.. Iniume Seventeen, '949. \ umber Four, a is imerrpd that siamesmg or laps in a ungie service line is permitled h\ \ r>u ; ,;>rk City. In a communication recpiipd from Hr. Joseph j. Hailutu'. . chief Inspec tor. Burrau of Hater ''unol\. Hunhattan. he dates that u hue " \lost cer tainly the sub-suriacr conditions in the Borough of \l<inn(Uian ire the most severe tests tor sen ire pipes that mas be found ansu Per* ana. 'hmugn ' ears of experience, it has keep a>und that lead, due to its flexibility and its resistance to corrosion, m one of the best materials tor ser\ we pipes J" and less m diameter." net rrtheless "This tvpe of connection f sianmsing to a single service j is specs ticalls prohibit ed m Rule ~ 129. page 48. of the aales and regulations of this Department." The editors of "Lead" are indeed sorry for this inference. PHYSICAL AND CORROMON 'Ml A R ACT ER ISTICS OF LEAD IN THE CHEMICAL IN 01 "TRY 8t K. H. Roil. Lea a Ind uirte A o nation \ je'ailed iUsu>'Uin uf 'he >-r a .m i ,n "ie lens :rai .ndu-trs prrumM oefore 1-e \Aimna: \....'<!ion if f'.;rro>ion EhCineert I'unfrrr'iu Uirii ! ; I . i'> I PON REQIEST. THE LEAD INDUSTRIES A""OClATION WILL TO THOSE INTERESTED. AND *ILL COOPERATE ITHOLT BE GLAD TO MAIL -LEAD" RECI LARLY. FREE OF i IliRl.F. OBLIGATION IN THE -OLITION OF YOlR LEND I'ROIii } M > T 425962 = R IV 7T n I-MFS' -w in r; \ ,. n e \\ . ,3 v . rr, : p \