Purs tetra eth y l lead i s being used as one of three c a ta ly sts in a polym erisation process designed to produce a particular p la s t ic .

(0 0.

French Flectrolytlo retort* Secondary Muffle Tnxnaoe* American procee* Average cost ) *5,800 15,5*9 85.18T M,15* It* total production of xinc oxide for the year *a* 28,875,795 pound*, and w# cold 89,705,*85 pound*, which included remixed ewhlimed lead eulphate and dry nhlt* lead.

r \ HWBB-0009567 \ 4 Air Hygiene Foundation of Amorica, 4400 Fifth Avenue, Pittsburgh, Fa.

.r Hygiono Foundation of Amorioa, Inc*, 4400 Fifth Avenuo, Pittsburgh, Fa.

flows Items j91.

White Lead Purchased Zino Oxide Purchased White Lead Sales Zino Oxide Sales Aooounts Receivable Trade Aooeptanoes Receivable Aooounts Payable Wow York Office $197,469.08 255,589.20 63,820.73 5,803.37 _____________ $ 197,469.08 255,589.20 85.29 69,533.31 $522,682.38 , $522,682.38 PNYC 00012044 4 CUSTOMERS LEDGER TRIAL BALANCE - AVGVST 31ST, 1930.

Mr Hygiono Foundation of Amorioa, Inc*; Fifth Avenue, 3sburgh, Fa* 1, 1937 I* Sows Items 291.

.r Hygiono Foundation of Amorioa, Inc*, 4400 Fifth Avenuo, Pittsburgh, Fa.

r \ HWBB-0009567 \ 4 Air Hygiene Foundation of Amorica, Inc*, 4400 Fifth Avenue, Pittsburgh, Fa.

v=3 ---J /S\ Sgj c--u Air Hygiene Foundation of Amorica, Inc*, 4400 Fifth Avenue, Pittsburgh, Fa.

Price 5.00 per 500 pages Supplements to the two volumes Occupation and Health are issued biannually The present work the second supplement of 1933 contains eleven brochures on various subjects Abstracts of nine of the important papers are included in _ this Bulletin 166 INCREASE IN NUMBER OF OCCUPATIONAL DISEASE CLAIMS IN OHIO DURING 1937 A onymou--Ohio State Med Journal 35 329 March 1939 The number of claims increased from 1,388 in 1936 to 1,694 in 1937 As usual skin diseases were responsible for a large percentage of the claims filed There was an increase of 95 claims for lead poisoning largely from 3 plants manufacturing automobile bodies where ground lead was used to fill cracks and scams in the bodies Six claims for silicosis made compensable on July 31 1937 were considered as within the provisions of the law an unstated number were classed as compensable for various reasons B Papers on Dust Dust Discases and General Industrial Hygiene 167 OCCUPATIONAL DISEASE SYMPOSIUM Northwestern University Medical School Department of Industrial Medicine Chicago Ill September 26-27 1938 Proceedings published January 1939 Price 3.00 The following items are abstracts of the papers presented at the symposium which are published in one volume obtainable from the above address THE PRESENT STATUS OF INDUSTRIAL MEDICAL EDUCATION Carl M.

(See lead romiiounds) Clays 2S.

Price 5.00 por 500 pages Supplements to the two volumes Occupation and Health are issued biannually The present work various subjects the second supplement of 1938 contains eleven brochures on Abstracts of nine of the important papers are included in this Bulletin 166 INCREASE IN NUMBER OF OCCUPATIONAL DISEASE CLAIMS IN CHIO DURING 1937 Anonymous Ohio State Med Journal 35 329 March 1939 The number of claims increased from 1,388 in 1936 to 1,694 in 1937 As usual skin diseases were responsible for a large percentage of the claims filed There was an increase of 95 claims for lead poisoning largely from 3 plants manufacturing automobile bodies where ground lead was used to fill cracks and scams in the bodies Six claims for silicosis made compensable on July 31 1937 were considered as within the provisions of the law an unstated number were classed as compensable for various reasons B Papers on Dust Dust Discases and General Industrial Hygieno 167 OCCUPATIONAL DISEASE SYMPOSIUM Northwestern University Medical School Department of Industrial Medicine Chicago Ill September 26-27 1938 Proceedings published January 1939 Price 3.00 The following items are abstracts of the papers presented at the symposium which are published in one volume obtainable from the above address THE PRESENT STATUS OF INDUSTRIAL MEDICAL EDUCATION Carl M.

DU PONT DE NEMOURS & COMPANY Dye Works Tetra Ethyl Lead Plant August 13, 1937 Mr.