Document MGGE8v0Le2qDwXJwrE42Q972x

FILE NAME: Monsanto (MON) DATE: 1943 Jan DOC#: MON004 DOCUMENT DESCRIPTION: Journal Article - Safety in Handling Aluminum Powders - Chemical Engineering I li ;* I 1 , Ii i i II l I S. D. KlK&PXXHlcK . . . b r I&ME3 A, S E E ......... .teano*fi&v Bailor TUZObOBB fc. U V JU ..JIa e W e ta lk* U m ax K BJW TO W ...,.,,.W or*fe| EJM.V jem* a, cjhuuiah ,... fljOaw Uof ROKSBYO. FABQHaAR.fiuUituti fctfdor X&ttM 6. *>0>X . ..jiA tn l rkv XD176MAX fcttASERT.AttVCT fi. 8. EtttTBBB., o r . . . '. .1 .CWrary* ' * 61 MdUDVE.,, (tifftap EA33X HAVLDlK...........JOioate M. t L ' WttUflMSON , . > v t M a lUlMttCY MANAGE* v JtM D E L t w - . . - . . . . . . . . . .New ftak ZU C. fXEDBUCE., . . , r/fenr TttW GRANT. . .. .............. Ckmtemf . L A GQKHWGKAH............ Otfarp W .J&.BQYD, . ............... .......J l te n ). &. VXH ABSWUX.. . , PAfiad*fe*lD Tufefi&eil WMflhly* T ika BS cams pur sopy Atfftrau CMMamlraltai now)* a at Ckrenkxtleii. Chmn, 6 M ,, a W att 4 t * fftv r Ya&, X. Y. $abcr]pU r a ta l tille d * lta, KMk*. Ceatwfl m i BeufH. A m **W t ee an tfm , <3 a y*a, M k r ttoe y*n, S3 h r Ik*# vww* Canada, S35B a t*bt. 6 !r twa yHdir 9 t h i t o e t y*On (parable lA Ctaftr oSkui load*), f ir m 3raari* sd fttifefe F a n tu lu a . B& ihUHvy* <ty w r, fit tfetfilB f# lyaKvclr.b*1Q* lyalrhnisM. MTMI oMil.*IbMmiAMaHiM. l5Mal ta * nail 9**}*mW 4 M l . at Pm i o u w a JUfeuy, H, Y.. tf. 5. A* u u k r art vi itw rk 1 1*74 GamitMt eowzitfltfety lbO jcnr^U t JtaQakSo Owdtfny* * In* Aunta. ai<tti Qt XhBi HMIm A m w , GfeXeagei f t H o t * * ( , San F n a v ' c b m JiMwrck jKbm lU w rd ii leadetw W- 0 *J BapM pfbs) TfctMefrVta O tiH . landl fiuuieltr H Icubg Hvtm la# JUw oalvct ABeftte. mcW iwbsx tvhi& m a co,, tu& 2fAME TL McSKAW / Twnirr nd Boctmtf CfaOftmua l^ibikraUna-Gflk _ _ 89448 liipctti Sm idviiiy, Albany, R, Y, e n d H eM llye USe*i we yro i Btemi* new * * , n . y . MW & MtC&AW, U........ sPmndmd |20WftSDSBRU0S.KXmUrV<c>e9lHt MABOif JDMirOn. Ylve'yrtsideal 8 IL P ttlH K IL t. . . . . . . . . . f r u u i r e r j. A . filM M M .., , , , i . I ti. bLAOEMBM, T* Dbreeler <d CbcvkriL*' N e n b n iU s K X tao b it AJMJt I^fbV oddrem McB&AWIDUl ITwr T0T8 VelvmtB (A N tJA R Y , 1S43 Our Tear D oi WM War II.......................... ...................... 75 BMiosui ronewoRi WaBle Disposed Problems la Wartime............ ..................... 75 ' . Sr . W. MOHLMJUi Solely In Handling Aluminum Powders................... .. 82 *r G, , SABOOac.4 t . . mrtBWiBCH Progress Report 61 the Bufcber Director................................. 85 Selection oi Pomps for Oleum and Strong Sulphuric A d d .... 85 By m E. H K T Elfecl oi the Kinetic Energy term In Gas Flow Calculations,. 9Q Br-BEBPWM Maim ' - Nytan Research Wins Its W ar Wings................................... 52 ' B B trostu s u r r cwMit i Manufaelure of Butadiene From Ethyl Alcohol--II................ 94 iv p x . a s M tu w t. m auve ' Lobar Belnitons and. Collective Bargaining In Chemical Industry ............ .............................................39 A CAT. * WEr. 5UUOBT ' Ckvoni# TcumSng Ie^odKer.. . . . . . . 115 A CM. I fO T t yJOTUBED TLOWsHtSY C h u t l M *t PJm l ItDlobdtit HtteMV #nlsmMnU K tn . Cb#alcaL EfetfbMarfnv Nows Now from W aihliivtra IoiB]rpiUoy WcotfiStoftal < . Mw PmduaU cud MottttftU Tram 13 lo g ! Bwpiib ttf , . QB . . IB7 . 118 i ill , ttl * UB J3B . .....................137 Mavtitig* mad CoaveaUau . . 14$ M m H am W r4 . , . 16S C % m 4 Mel, feeeletoU . . . 167 C bem tttl EohmdIc atid 272 Cftzvrtt Frtoe . . . . . . . 187 fihnr ^CoMUaoBon 199 An Indm |e ndvy(IiaM wDI b e towtd e a Has |fe A 'GftAW.HIU rM^CAtlON MoORKff'HILL PU8U4HU4G COMPAitr 5 Wm I 4 W $ L * * l Kew M. Y. el CtrcutMutoi ' EaHtHaateuriMebttaa* my o d tlfM & dtim tco l 4 Metelbutricnl B >M i u i i i m i t i i ..................... .... . . 'bi "X h id B ttp ^2n i^aSl ajitt P o w d e r s G . M . B A B C O C K c m d F. B , R E T H W IS C H RiyeoJelj Metale CK UubrJJIe, gy. ' - ' .............. b Met. ISTEam ETATTOM ""- '"... ' . Except for those people who work constantly with aluntinu powdern, sufficient respect for the expfosiktliiy of thl notarial net Appear to .exist. Wills the presets! widespread, sm t M unlsun powders io r the manufnchiro oi inllltary pyrotechnics. seed has developed for Sic store widespread disnminciiion oi infootutfiott an safe praedenz In their haodtins m d in Buntnheliidas pyrotechnics, Its article which follows Is based o s the experience gained by the Reynolds Metals Co, In many years oi producing m d handling metallic powders and Is offered as a starting point in the develop* went i safety programs for concents engaged hi or beginning opera* (toss ha pyrotechnic work, CetUdn fundamental precautions arc dtacnesed by the autW * as a sendee. the Industry, hut neither hey nor their company assume liability of any hind in presenting (his Information.--Min**, FUJOl tiln m m i POWDBRj tKuiip- should he stared unopened in a vqpnb*t similar u> the material arete ores whttever possihln, atae ctmuoonly used in ttlumhnue paintit they a n stored along with such tmtfcr the rather mideedtag mao of elimnenla na enlphur, nitrate* and folumiauin brame povdiiV i n others of similar hamster, o di TOhuhle component of pyraCeohiiie from any m w r would present, n most mistares sed far fares and signis, serious problem. Whenever dm l 'ltt,. high siusob erett of a given of ohuuiniuu powder U opened for weight of aluminum flake powder loading or isapootion, i t should he m ails it sully rnifiWa tVheu in the dosed and re-sealed os aaon as pot- prftsonofc a t uygea oc ail.* Burning, rible. Tide not only Instares greater it crolvia a httnendena w nountuf solely garnet tire flora extern} heal and light. Owing .to Us low censa hut ni limita flu lihelihoul apparent ilrasty, .fine pmtictaa of of tramp jtnaierlxd getting into fho . Hit materiel tend to fe a t in air with . powder, os of (he powder absorbing ' the attendant danger of violent ex, water from the air. In one hwtasee plosion npon JgnllicB. turn a proper a Staled drum of flake aferiaw b vatio o f nlum nm n to oxygen is -withataod an aluminum duet eacpfo; readied, sien nd mhaegnut fire without A. somewhot different nlmninlQo ignition of the dram content, powder, tlie grained variety, consista o f vplicrra, mntsoge ohapn nr irre There ere' few' practical meant of ekltagnmhtag firm involving altuni- gular grains of nloninum. wtoli ara nm powder or mixtures ooatninlng relatively herd to Ignita. tVhrn mired wHh orygxia.prodoidiig compound, this powder. AnyUilng whirl tend te dlatarb tlio burning mail may the grained powder alh b u n vlUi throw fin alumimun into the ah' and the evotatinn of rund heat and light. remit ta a violent explosion of tie-- H U nmioriel, however, has a high mesdOns doaimetive power, I I ie apparent dcuiiy and low earfeo* trae that dry erad, carefully placed area which wna to keep i t from over a pQe of burning alttmkmtn, mijpeasiim in air an that die danger wiB smother fee fiemo, but in the of rploaon or lire fro atontan erattaiacnt attending snch a fire, "fog" is almost ntL them is danger that Bio unit] wJU Both Cake and groined slutatattni he thrown or shoveled on to the aze shipped in sealed dm with mem, and that the powder will be folly reomveble hada, Those, drums thrown tato the ir. T he have been Revival oases where relatively harm- lees Area have hoe hanged to eeri- ! Hod fetal explosion* from this ranee. CopatAuimtly, Hie oiler and more prudent rule is ta instruct ompkiyMs to walk out of the building m the case of nn ahtmmum fir, butting the dour eeenrely hut aa gently os possible to avoid disturbing the burning uses. All eaptayera sbontd he instrusted in praoedpww ta avoid. Thty ibauld understand tharoughiy that water, carbon tetrachloride, lira foam, ar ilon dioxide and tiimilor eEftagoiah- tag agent should not he used on nhunianun firm. TTo* of eneh materi- ole will cause eploekma. Kigtit watchtnsn aheuld lm nutracted to coai-iy thk informatiiH) ta any regu lar or vohuiteer group which nt* - tempt* to extmgaieh an nlmnuinm fire. Tnrthemore, the use of a fine spray of v e to from a stirrup pomp, vunh an lx used liy civilian defense worlrnt on tafciMllnrv bomht, should never hr rued on eliuninnm |iotrdcr fires, It ia of utmost importance tint local Are departincnb be mlonued of these precautions, The depart ment should he provided with row- plcta taformaClqii end chert* tygnrd- uig those wicrabonaes which cmitaia nlemtniun, oe yell as rinmr contain ing other ehcniisolK. Thee riwvta ahmdd aim be readily available ta the vralehiiten Bit to tbs plant's own protwtiuo division a t all timet. A v o m w a IIAJARCS ' A evuree of groat danger in tae tamditag cf htminom powder 1 the presence of foreign sub-tanccs, purtiunlnriy herd or metillic moteriale. Core riuMdil ho taken to see tlmt loving bolts, mule and liuulnr bib ef metal cetmot eohuimuat aluml- nom petrdeT or pyroteotmio inialnm, Jtiood plant housekeeping b nae oi Hie mosL oltcetiv nictbcae . adueviug plant rafety god eara diosI he taken psi'tlouUrty ta the vo%btag, miring and prating rooms, i a little material a* is practical should he kept ta one plant s t one time Scoops for handling powders ihooW b< of non-sparking materiel end the handling chould be stow and drib at JA X V A K T J i j a < G EEH IC A L It M ETALM IRGICAI, ENGINESJUMC berate-to reduce dusting to a mini Ughi, eloolrii: lighling unii ptiiiei' I'ariitnUrly i toe cast of fluke u.ie- . . mum. Dooms in wltidi powder io handled should be eleenrd al ite- cqaijiiiiful airrying Unito)'untele' approvai far use in esplosive i m e mranni-iKiwdar, eonsitlemlite time is required re tUssipntu tole tduirga, qutal nrUm Jt, but never during -roipbjnS, mSxUig or pressing opera tional. AD matorisl thouM be kept in tinted eonUinow Wie denning ie in prospera, I f oil it need bn the mul fare oxpkuitva vapora lire enCi.uoicn.ul ihold I urd. WlinvuT pnsaiblr, bulli Ibc show ef worhart sud th fluori attoniti he p( conti nctive Imt uoa-Apaxldag Several types nf min-apraklag, cumtiKitiv* floors luive been employed -mtresetnUy.' Three types any Ik dKBi'ibcd briefly hero, inutuding (1) 'Mugneiile flooring instalkut ever pyroledutifi mixture, sped) care typa. KJwtrie) diachsfgni produrre) wid a t ciinon-le basiv with Maduc- mimi he taken to insure But oil li.v (lolle or tigbtning aro liio niott lire metal grlihi planed henenth the t>ily rage or wneto ere deposited in didtuuH ay hunrdtt io avutevi. nrfnce ot the floor nni) properly .oloaed safety oans wty fa the Tk* dsngw front stttia forge pro grotudod; (2) emulsified usphall storage or loading amis. Dies* mgs tiaceti by ihilitm 1 p o i reti in (old, diinpii$ition flooring wnlh a tmthie- i mint ho disponed of daily, in A*w- dry wcnlIiaV- lvou wallrmg on dio tlrc aggregate whiuh a.U u> laid or-er I ' iag, ears must be ink ppriinulurly arale or envipunii uni Ikionng in niu). xronudoil metal grids, and id] in- to keep uil eornoK. imitivr ledges eunduclillg . diCito- uiuy prwlncc (W riai graphite tile uutd of a Vtmna, budding steel and attnti* vest- eptodi eupatle uf IgnlUog pyvuitH'Ii- nrnlnctlrc iaastir, the lalgeu of the inK pitmen free ir dust uic nxtura; or Ibic uluniimim pur l>lo bc/uK rneUed toeetlier with teles suspenditd in to nir. Rei hoi iwo mi iui-Mi]lmu lo pruiide JU B M H G PROTECTION ih* fokon anaed hy nUnnimnii niDtliiumb suriece. With tint -Jnst t Tim buikfing sod for vro^ing, pumlui- ponroil frani s scoop U luuntiniiid type bo iaotol grid is nindng and loading operalaii* eonbnncx tua errale liigh stolto ncocsMiry, ton lile lUelf being ! should) whenever pcmellile, b* eo etuirges un th nlumMinm {uirtii-l. gnanidtil at voriiraa pMuls. spoeei end protested that firN or ezpindons in one unit cannot he eam- muniastad to uibar units. Conitrae- fbSx views, bam nkotoa by 1h* V. i. hmy Signed Cur, alinw a ikvmLlle bnadt tloa should he adapted to Ih want-, nmmHlKaltao I lb* Army v tfli Oettevn. Wteltlnylem, X>. Cu A* n rp w r i m stow jug oC hxplorionii, ualng either a too bomb eeglnnlun in wptedo. while Oic l a w ehovra Ibn s)imx et Uhi my)ssor "soft1' waD ia roof, or a Movr-eni vtoete the hotoh. kuvtno ranafced n Isanrswlaie I obeM Uno dee. T. U xMlfln - panel J1 equipment tthould hu Ououoh Ih elab ot alee) n wMeh It ml* Intuited no that the operator hae h free pitti to a outside door, with out a fxing bendi, pram nr julxer A, lidwccu him end Die dour. - - L All maial in the buildings should be grounded. This not only innludefi . toe equipment Uatdf, but also motel window nod don frames end ibvr building clouieutn. Clips ettfinMfad to daxible grounded tends should he placed on all metal ita a s nr oiler movable equipment, Only eicplrwwn- prauf motors dwnld ho permitM, sad fur these the* ernitnda shonld hr foYlv inclosed and iton-iifcttfc louttod outside the iviirkrniim ao tout no am icar need li* un Ite mixing o r prrsshg rnotu (hum too Bine ef ritortine these operation* walll they ora eanapleM. .All lights should bt of type approrad tor exphnlv operatitmt end conditions. P n rtM ar rare must bo token when ntoumis nr manual tools are to be used In build ings for repair# or ehnnjfns,' When sack work is to be enrried orti the Towns must Amt he emptied of 11 iKnitibie -terto) end Bmrongbl.v claimed. Patel piovioiri have .been enured in duat-idled rutena by on ere fronti too snitch of un ordirary /incidiglit- Therefore, tody dodi V w tA it BttofBihUon a * to n i "*ra ** ottfA tro ta ArfeMTrcn# C*rfc v r . ItniM >nit T*rtect? Ibir.v iM 's a tu 3>*.i lb PteHi' UoW Cal. lD utiinl S tuD lm tu D lv . >0 U oriiuttitor H tM , SceW T lk>f fMA *li* Cd. i n Olay L ttiwoWT**. X f. I I IKAt1CJU. It HETAU.tRBlCAIi KSBlMiSKTSC J d X l'A K r J t f f S3 d u <i s h j - f i l MS* sg-fg^sg-i..si*s**** g* S*" S i l i c i $ k $ s ,a `^ ^ i s i - | i & s 2 r J3 'XS *5 * a a1 i 3 fet < b f t f i l i l 1 : I t 1*s l i T - si l ri,s ^ S rl ' l a p i I i s l *i43 N i 1 f-` |s Ni |f 4l Mi |-4i-S * i a r U J a; i fi, JS S :.'* tf s- ,&p H a C i a . a f"**s g> 5 < -5 SS t -e s * B fe 4 i f 'S.-S "V, fe B. i* -3 -- et * I f - i f i s f i f i ^ f j ? * ,1 s aa ^S r- PL.**.a - a , 3 > J- J .-e ..91 SJ5|"3| '| i- 'g l^- s I E s ' 'S5 .i is ,3 - !b ba *. * Iil-i-l.il l i l i ! i. p . a . b , 5 * c . *S p i l l if- |l- 1 B s?g s s | g | r i _ *-2 I s i * * I iMl * i i n t i i " " 5 ^ J .5 -, .=< i r 5* z U -55* u , I S s l^ i3a> -i3 s- s f g ai *, 32 ? l S .I 5 3 Ii l l ; & -3 S ': i'fl l i l i l " r -fe |!f * 8 s e -a S i* 3 i l L|s j l r ** f a l s i l i *1* jg C'*S e 5 a g 1 1 1" g i '" ! " b t a i -a 3 t s a & > 'S * al iT /j^ im k ' J?v}s c jtlJ w ito A r* i- iffl X R C rc A i e n g t n ie r G i ir ' , i il Ti r * ? Kr i i. * ' i ' ; t . * *`5 ; tf . M mtims In this Ime P*S A b b i t e , >*a G........-- ** IW Acm i CspporomltMeg i M** _ ehtoe C oT......... . 41 M lt'G feftbnte >% i Co......... I* A tfl* Ce* \|10................ & < 7 U Afumleon Co. o l /m iii)u >w.i Si A ta tto n i O n Co*m *.m ~ i -- 214 Am m Icm Ctula f i C *N * Cfa.^ ^ A ftn rfm W rfel Stem Ct>... 1 AtDOlfcPA H i*0 Mg. C " ^ America* Ueom alto Ce ^ Am crteb M idft. ri M*W. t e ^ A ta u lc i* M t*r C *. loe..* M Am ericio flp e f i C nit C o.. IH Am ericio Pulverize# Co, .'.> . IM AmwkJh Smeliin i. feefnbg CO. .......................... W Am ericio reel A Mk Mn C * . ( AiW ricM W ftfl Ce, Ire. .. . in rw tte ig M Wtafeu**-,* ( II A iU c U lftiM l ftM ta fe i l fa w O J I A ttu fondor Vfl la tte rie i W llea Co. , It, .IS S IS I ftH M k, lee, ... ID S ita r f i t a l C*.. Ci ........t f l lo to 1 1 ) 0 ,1 .... ........... 41 leldte-H U I C ......... ... M I b n n Cn I . . *.* i te la i Co., W.............................. IM. d io ic i.`1 Letal ptkd Ce . 217 ittaii kr, ri C e . .......... . XJ BW Med. Co ... .............. 1 Ilew-Km 0. ... .. .. .. kl BlleknM. tee, 1 . .. .. ........... IM Beim Co ........... W fioim ty fango & Tool Worin IR In d e f k M In iti C i.. * te Brighten epp*r WbA, . .. .. . 31) Brin Equip. Co*p ..................... U i PrhUi Ce. m . .w* .* IST fiexC Eogig. Co . .IS S 'f t& l farq *Go*..................... 3Wl M & o N if. & M id i. Co . X I irmp Pomp Cb.... . . . . . . .... IU ` 1**9 bv CM . C e ...,................. M fW ntflgkm o U n W n k *...,.., 0) D/Occe C p........ . ...... DI V iftta la frf Co InCu I . h ,. 271 {>117 G, ..... . . . . 7 I (HrojMloUb Cbvp, . .. . , . .. M2 P u to l Go ta . ........... 21 fiW -H M r Ud C e.. 251 Edfla Meer Ima Work, lie ... ?8S Mectrleoi En^kitr Ce, 7 Efitott Co.................................. JM S u b ie EqtfipAMtl Co. ... ta bnte Cp , , sn Et*Nbc. h e . ............ IM E|n4r U borelw f, M ... ,, ..101 BRfttaHoweQ U h i Co . * ; 201 B u n t* Go V ietar I,*.... . Vf* Ew U rB? Voir C o ......... ... IM Fi)**! Co......................... 3 ^trboaki, M oni t Co, I (osvaS k t . . . . . . . . . . . . 1M fftt r fptt Co ..................... 274 n # u * d r. c if. sw 242.2 4 1 a * R tlc fc ii W ork! ............ .. tr? V k u W fie ip < * . . . s ii Root Carp, lid . ... .ta fo tta im , Gta fi M d. Gor, t a fa lb o n C t, > * . .i 44 ^ tadotka finn A Slot! Co. . . . . IBI fa lta Ge. . .. ........ ... H7 Geriest ocfcln Co .. . . . . . 9 Gelb fi Son, fi ... ,, .... 0 fitro re l Cefondn Co, . . . . . 24) emicrel CoM ioii ....... II iBfi'hA.'sa: ^ B tM nl H11, Ce .... 21-41,4i C lrd ta Geip, i 9d Cotot, 4. I l i C nta S iili Totas Gb . . . . . . . . 157 Dloddbk M d** A C *... . . . . . ta . GftuMr Ine M. .. u . . . . . t a Grever Im i M b. C *. I k .. 1 GioonSi M u d f i o, . < l i t v 'G ita iiV Co, M s, . 22 . ftfo y* taOUleta CD .. . . Z tl Ceibldc fi C o rte GUtalede . Con. . . l> l C u p iiltt Si*! Ce.............. 2S4 G ilb Co* A, W ../... . . , **. U l C e l cole Co ... >. *> .. m. t e C ttfe ff B K trtt C M M ... M CfeWM VfiWe Ce.>M . X I C h* b i C o ..... . .......... VC C3mlcel C o m fo rt! Ceip . 2U {%lc9B Irido I Iron Co . 99 Cfebo? M o lti H e Corp . MI Cipqf C*q>. . . m . . t e C fttho C oiy, ,, . , , , X I C o ta I pe., L . ........ m Celo M * Co** . D ...............2 C o m W tl attivi! G ttp*. IM-XS C M leficU W M i. 0 *. Ilk . I f f Cotdbm M M l C o ........... m .. IM pm ASy N ifi O o ........ Ml opjMt E*grg, ......... SI eipkg ittt W erfet........... ? C 'O 'T* An b A w M il C* .. VI Crta Ce. ............................. In CftbeHtOiil VoalHoilok &Wltao( NV. Amtdcen M e d fi M eiolt, Inc, ...................... 2M- Ce Level Stpsrolor O o. ..... J lll Do U n i Sloon 1orbita C . 2U b a ta k li C C .. . c . .. ICI o lontad Alfcoll c o .. . . . V DkoUb Co. .............................. W M noi Mm Uc Sepauior Ce. i t i Ded? WI?. Coi. , . . . D oir Co^ Inc ......................... 34 D o uw tft dotata A . . . . . . . . . . . JH Mevdli) Ca loe ................... Hrvr Bwo, - ........................ X I Hemy filfa , Co, HI KvHierlnotoft fi b m ir, I n c K i H ifin SAB, Cau faou S. D. . I t i ' riedfiioiHi M AO r Ce......... U l H e iiu ifctd Veta M b. Co . . . . 707 Hooker fitakostaM cM Co K ( Howftfi EifteMe LUfan Co n Brndi W o t* tieeimeM -Ce , . U fi * Invereotlfitad ........ . Im m o li fileni 1 U n W rf v tm r Cc. ,, , (f, 47 Id m e tta iM M tam k I Cfinm B o ifi. -- ........................... W in taa tU nu! N leblC o. Ine f it t a liOn f i Stari rodi. 1st. .. U fi Itta U Eilp. f i iupiflf Co. toc. t a J K s N h Coy-C. i , i 212 ta n * M , Co,, D. 0 ............. 41 J *flrn M ffl. C o ../....................2U JeiddM ir * . ........................... X I Jobsr-UkaviBo .......... U4 Jo m i M /y. fi Medi. C o .*.. . . . 7 lt U ta tM e ^ , Coej^ L ..........4 Keler fi Oc 0 . ..........*...248 feen U fa. C o, C. M ..........I l i KinOnta V a l* Mb ta ta M M fitto . Co......... ta fotofit, Mente A MI KoldHftld MI. C o .......... -- 254 La MftUt Gfiem, n M , Qo . ... f f ( Lep lew lolw Co, Im *.,........ ta Iti Uwroom U u fi f i m p 6 *rp fU 7005 Rlebudifth Seta* Oe ...............n fi tom * f i femrUr, f7 t r in it i Ptifor Mlg. Ca j U fionM Sfori F tiry .... . . . . . . . . 925 fioblw Ceavayln laS C o....* 46 U l trid o ! Frode, Co, In e ,,, , v ii fio b lip tt! Mfa, IM L ttd i f i MsrffirB Co>* , , 72 fiaol|*CMnmWUa Ita n r Cetp. m IfoM A tlF fo d ird i C o ,.,,.* ,... l Sovel CeelroH CO JE, U ftk 'ltft Co, ......... m .......... . 17 K-S rroducU Cfrp.................. I Lda faeri,* Supply t a Ry*Ma f i San, te ., J. 7...... U l U bripU Ift filv*. R ita fa c i, He* '`'Sareo Ce, te . . 1$4 fb b ( Co. ., 1 lo k liii Ifo d Co....... .............X I foordi^'obl S o d te ......... . 70.2M U n * * c% .............. z fl-m Sfeerpl* Corp, . .. . . .. .. . . . . i l lenfietikelM ir C. ........... ta Stapard, HUet Cnaoc f i H ulil Cip, , .. ... 244 M etblflorr fi Equip. Corp.. v i Statar f i Ce,. T ..., ...........au Meotalm Mfa. fi M I, C t... ,, | | ,i U n tiy G, h i ......... ,.9 )5 M u ta E lo d ie C...........3rd Cotoi Sftiney t ilw Cwp* . . . . . . . ta $pernr * G *, P. k ...... 5U SproulAValdiee U fa. Co... Tifi M cGie^HBI fin d C ft.*..*.., .2 Sfeadord Cu p p r Ce . .. . 2W Ib m r Engro W erb, Ine.. )S0 taNdenl Oli Ce. (M iene) . 55-* M utici; scoli co J*,., TX R obbte loan fi Mfa, C e ,,, 04 Melde Molai W orfe,.......... M Stob EqUtp. C e ip . * ..........X2 M kM ott s m cosmo co m Starihen W eb Carp............. Ml Lflrivl- C................ 41 luriftyeol d lT C o ..,., ...........I t i M jdW tt Rplng f i kuppfir Be. u SvttM Stele fi n i , te ., . t e ta t t e farq. C * p ,..,... M2 fiwiH ai M id i Equi. Co te ............. & M u tv d i Ufa* Worin, te . -.141 ^fite to n ) C teiricat Co ... . U t Molds trie d , Vfad* ............ U i Mon* Chah Ca...................... M M uni VOfAftn W onritarrr MlH*i t e ...................... m Mwrey Mfa CoH D. d.... . TU Netti Enfir Co ................ . W N etiutel Un f i Lettamr C e... ta N atteul fie Meier Ce. *.,*..* M l NefloeM TerfeeUel Lobe. IM Hedlle Ce, , .... , , 3 N l9*a A IM ir Ce................345-742 N ilfiora R iltt Corp*........... U i Nedb A n m te i M ff C e .,.,... 47 Nirheoi f m . C e r p . . I l Orlvar IM te 'flfiO H I * ......... 112 Taber Pua* Ca. . .*.......... 7 Taylor Fora fi Rpe Werkt . ... Tl Teyfar Im i, C *r )l Texas Cp. . . . . . . . . . . . . 14 Ttattoal sytabaU M . ,, > (24 TU urekr M p* f i te d i. C up. 2*1 'TImkon le tte lo irin q Ce.. , Rotte bering Dir . . . . . 217 T re te Seite ta iiln Ce^ S tef fi Tota DW, ......... ... . 15 TlWuAuot A tte Mi. Ce.. . .. . 1 TofaUt* BooWfqqel W.. AniOmu Lud*, fi Uatels, t e 47 Traylor Ebqib. fi M fe. Ce. ... I3f fe riu ru , Ira . ..... ... 4 T o ifttt H ai) Ca,.................... tU lid ie Beg X Papar Ce 44 Union l f ta l & .,....... 1 U tas Cortado f i Ceritm C rp .......................'........ I!, 1*1 Peu?ore Corporation . ..... . JM Linton Stented Equip. Ce. 2 * PiiJrWpe, A ftliu r 3 , r ,, X I l S, Md, Aloofed Co. . . . ,|M 0 lau Pump Pip., feed Macbf. U. S filoetwate Ce*,, ., ..M t c ^r, , . . . . Us ^VlUfl fim p C ........... 241 BAtyfirttde Crvsknr Cu,, I f i VkflWo.CamKu OtenUal PumylfenU ta li H ifi. C o ........a tfo rp ......................... 3 Peta, M arin ...'............... ~ ta Vegt Mack, Ce. H ... * ..*, 1 faiUn8ml7 Cwp. .............. *211 te a r Equip. E Supph Ce, 2W YoW*QrttnMur 000*1 .. ?U Wolreb<St!tte4e Co, . . . . . . . -- 341 PelrorCfiem ttovolojMiwftt Ca. te . (72 Werren Roam f* p C *.., .,,., 151 PbUriJir C e ., ..... .. .. . la d Cover Y telem PrattpHallo C e rp ^..., !25 . PMadelpMa <reer Vlferla,* . ... 221 ^W ftdlegbM M a Sec. fi Mfg. Ce. U Ptakm riW i t e ....... .......... 4 W orim E ta. IM I. Ca ...* . ... 770 P d trititffili Udredryer Cerp **. 172 V A u a le H ................ .*,.2W rJftrta fa ti Pipk fi Equip Ce. ta YtWick M(q. Co*. 2 Parier C e, t e , H. (> .. . M l VAcfiwIlO SpMOOV s ita i C e ..... 9 5 PmraU Con W m ...................Ife tn WUHftV fi Som, lee, K T U ...... 45 rm teu fieptta loi C o .............* (74 W lHlete fe l cm A fi r te . C *. I te n te * fiW l C erp........... * ....3 Wnifea fredecSi I n t . I U t e lim i Corp...................... 212 W ta fkteloft rw nf f i Metiqr P rite w ri f i Ce,, J. fa ., . fl Dorp. *.* * if t e l * f i Sdtvrit, In e ........ SM W rlqkt Mfa DPr. /unarlcM Cealo fi~ Cabla Ce. Ik ^ .......241 F n b n liu i Im T w ................ M Wykolf * te , A -.... 4 Mwftrfdnp k k k fi C e...........W Quaker Oats C e ....,. .. .. .. .. . . 157 foymond Pufretfeer Pfvs em* b u tte C tf , C. a fi irilp 0 C to * f i fite k C urp.,. Ut needlnirffitti f i Cod / (DHJ N eonceo d u b fi C in Cb. * ITB, ita fiooVu Pulley C e............... Ie2 fiilehetd Cfcemlcolit Idc.^ ,.,.. 12 Reilly Tar fi C her. C orp..'. . 735 Republic tavtfl Equip. Ce^ tac ...................... 2&I fttoed* fi fM , J, B ,*/.,,. , . t a Pntaufau^ O nate - . ... 97 m SEAfeCHLtHT SECTION CLA5S1FIHI ADVERT1SIN Uwtota DoeartmUlu ..................97 B*diljnnftl-fiivm . ... SM PiWMt ... . *7 pouUom VXeaat *.>SM f u it a WanU4......... .............. 274 Stiftoj CMWltuUlU te P tel* H PW etee.I............. 7* D ut ( it ili t4 lK iH t . .. .. a>*-2*4 J A X V J M Y 1S+S . C BJlliTO Al. * K E IA Ii. K -f'AX EK'O IKltirRK G