FILE NAME: Owens Illinois (OWILL) DATE: 1938 Oct 11 DOC#: OWILL074 DOCUMENT DESCRIPTION: Patent - Combined Asbestos & Glass Fiber Yarn U.

Richards and International Smelting Company, dated August 7th, 1934 - uead Ores and Lead Concentrataa, period - August 7, 1934 to and Includ ing August 6, 1935.

FILE NAME: DuPont (DUP) DATE: 1935 Jan DOC#: DUP171 DOCUMENT DESCRIPTION: Memo RE Mellon Institute Research Symposium on Dust Problems with Summary, Attendee List & Cover Letter from Johns-Manville J o k n s - M a rw ille Tw e n t y -Tw o East Fortieth Street January 22, 1935 Mr.

c .V!'

FILE NAME: Mine Safety Appliances (MSA) DATE: 1935 Feb 27 DOC#: MSA009 DOCUMENT DESCRIPTION: Letter from Dr.

ra n insaamnee e m p s q r d e e J serfral motfcnsnril r t u m e m t o sad Ealltly WsiaRSft, far reerai K.Sriaf disease (Sam s, rtiewed S4 pgr cent for r a s a ia w lsin poetanoccariasi iiorlud- silicosi, a t b e r t a , a c 3 21 per cent for lead fsoiaurunji, 9 p e r cent far various d e rm a titi 3 fxroeet iwhmsoL f "ri tin- rem aining 6 p e r cent ta r scsKcrfotJ -uses scsefe a s scna WHoside. rarimn m rachloride. chrome ami chlar- 0j*a , will .icc-ordingiy- l o s t a t tise sub- -1*0 fresm th e standpe: erf these few i n - P"r u o i causes. bssriag in Sud that the tost ap n rtaai n; 2 t t csrcassd by the scierai he*diets o f poBKsfteenksife. or ra e srd by d o .

artic ai retioi itra i'the ithe cu idrphe el. fsafety Ithat a rtic; ^conter ; saff ad gi aay b sed. phe de ftme 1 le d; isv ady epenr s.wii frhich idu sen iby aar KlcV' p . 5,,No. 5 INDUSTRIAL MEDICINE Page 225 Jazard to the workmen, such as gold, silver, lead, pic, copper, iron and anthracite.

FILE NAME: National Safety Council (NSC) DATE: 1931 Oct DOC#: NSC054 DOCUMENT DESCRIPTION: Transactions of the NSC - 20th Annual Safety Congress 6h^ T E l (*{ !

The asbestos crystals which as is well known, also permeate the pleura, provide the chronic, carciogenic irritation, which leads to cancer in most cases only after a lengthy time interval-according to Nordmann 15 to 21 years after the beginning of working with asbestos.

The course of silicosis and of asbestosis is licic acid fa various pneumonoconioses and their causative agents are slow but eventually leads to incapacity due either to the iso1--;Iity <f discussed.

FILE NAME: General Electric (GE) DATE: 1935 Jan 22 DOC#: GE193 DOCUMENT DESCRIPTION: Letter to Raybestos Manhattan from Vandiver Brown with Summary & Attendee List from Symposium on Dust Problems Jo h n s -M a n v ille Tw e n t y -Two Ea s t Fo r t ie t h S t r e e t ; N e w Y o r k .N.Y.

\W ( ',C- fiA/V'-rS^O^ T::c !.

o ''-N / 1 DISTRICT COURT OF THE UNITED STATES DISTRICT OF MINNESOTA 2 THIRD DIVISION 3 4 5 Karl R.

PtAINTIFF'S EXHIBIT WRGf309 *^ i DewetaxdAlmy Chemical Company c+&f*m*X*+*.

_- vuau/oif9e[. ru ao* 11410 Columoia.