FILE NAME: Welding (WELD) DATE: 1936 Apr 1 DOC#: WELD001 DOCUMENT DESCRIPTION: Journal Article - X-Ray Appearances of the Lungs of Electric Arc Welders 'IB B LANCET] D B S.

FILE NAME: Oil Industry and American Petroleum Institute (API) DATE: 1937 July DOC#: API155 DOCUMENT DESCRIPTION: Report Excerpt - Dust Producing Operations in the Production of Petroleum Products and Associated Activities :'v^s^,ri-Trr; i':hr*bl'*'

FILE NAME: Oil Industry and American Petroleum Institute (API) DATE: 1937 July DOC#: API176 DOCUMENT DESCRIPTION: Full Text Report - Dust Producing Operations in the Production of Petroleum Products and Associated Activities - Report of Standard Oil Co. >'^\*!'

FILE NAME: Koppers/Beazer East (KBE) DATE: 1937 DOC#: KBE022 DOCUMENT DESCRIPTION: 26th National Safety Congress Transactions m * 26th N ational Safety Congress NATIONAL SAFETY COUNCIL, Inc.

FILE NAME Insurance Industry INS DATE 1939 DOC INS056 DOCUMENT DESCRIPTION Medical Journal Article - Current Comment Discussion of an X-Ray Study of the Lungs of Workmen in the Asbestos Industry Page 426 INDUSTRIAL MEDICINE October 193 is irritating to the skin The new insecticide reported here is a product known as alpha naphthyl isothiocyanate usually mixed with pyrethrum to obtain the toxic effect Current Comment EMERY R.

FILE NAME Jewelers JEWEL DATE 1935 DOC JEWEL016 DOCUMENT DESCRIPTION Industry Product Information B 1935 : LC Call No.

FILE NAME Keene KNE DATE 1932 Mar 11 DOC KNE066 DOCUMENT DESCRIPTION Letter from US Dept of Commerce to Dr.

Industrial Hygiene Digest V -ZZ- INDUSTRIAL HEALTH NEWS LITERATURE ABSTRACTS MEDICAL ENGINEERING CHEMICAL TOXICOLOGICAL LEGAL dadiioni and trvnds JUNE, 1931 (VoL IS, No. 6) INDUSTRIAL HYGIENE FOUNDATION MELLON INSTITUTE 4400 FIFTH AVENUE PITTSBURGH 13.

rotational %i legtslaV, the de ns ia Use nixed at at Cotea. ishington. ihen, the C.

S~ p.

Trado Cat Du Pont de Nemours (E.I.) and Company, Wilmington, Del.

: Levinson (1934-1988) Al/eed A.

American Society of Heating and Ventilating Engineers Guide, 1936 louvers and screens.

American Society of Heating and Ventilating Engineers Guide, 1936 fan in a certain high school auditorium was nearly as loud as average speech in a large auditorium.

American Society of Heating and Ventilating Engineers Guide, 1936 Density: The weight of a unit volume, expressed in pounds per cubic W foot. d = -y- Dew-Point Temperature: The temperature corresponding to satura tion (100 per cent relative humidity) for a given moisture content.