FILE NAME: Allis Chalmers (ALL) DATE: 1932 Nov DOC#: ALL011 DOCUMENT DESCRIPTION: Published Conference Presentation - Effects of Dusts Upon the Respiratory System 'a U MS c- 9>gl IN D U S T R IA L C O M M ISSIO N OH- W ISC O N SIN K*i M.

FILE NAME: Metropolitan Life (ML) DATE: 1935 May 27 DOC#: ML092 DOCUMENT DESCRIPTION: Met Life Internal Letter RE Johnson's Co.

oa G INDUSTRIAL HYGIENE FEATURES Long-range implications for occupa tional medicine are discussed in Abst.

74.

Below is shown the handsome turbine room of the Piqua Plant, which is described in the article beginning on Page 16.

$ Hydroelectric Projects Built or on cmwHIai en|lner ?

6wer Bulletin Cuiw1rmfr"i deaerators, water-treating systems, and steam-let electors and vacuum pomps as. well as turbine generators, nuchsnfr*11 drive turbines and gears, circulating, condensate and boiler feed pumps, pressure filters, and air compressors.

r MONORAILS, BUCKET CARRIERS, BEITS Some idea of the wide variety of conveying equipment can be gained by looking at designs illustrated here, plus those on the preceding page.

Ar mst r ong,Machek &Ekey A T T O R N E YS AN D C O U N S E L L O R S AT LAW ALEXANDER ARMSTRONG 1677-1930 ARTHUR W.

100% PURE BRADFORD GRADE PENNSYLVANIA PETROLEUM AND ITS PRODUCTS MAIN OFFICE AND REFINERY Br a d f o r d ,Pa..

CLINTON H.

4 0 O R E S S ALL COM M UNICATIONS TO T H E STA TE BQ \R :> O r HEALTH THE STATE BOARD OF HEALTH OF MISSOURI C ITY O F JE FFE R SO N :.vy 2 , 1937 E.

ELS T O N L.

ETHYL GASOLINE CORPORATION CHRYSLER BUILDING KEN YORK, November 50, 1936 Circular Letter No. -132 COPY FOR ' TO ALL DIVISION MANAGERS Gentlemen: Dr.

IN TE R -O FFIC E CORRESPONDENCE Et iiyi.