A/C Pipe Producers Associclion 1600 YV/lfoo Bou)-?

ETHYL COBP. 1700 PERDIDO ST..

3 THE TOUTED STATES DISTRICT COURT FOR THE EASTERN DIVISION OF THE EASTERN JUDICIAL DISTRICT OF MISSOURI.

UNITED ENGINEERING lr FOUNDRY CO. 1 at NAT.

1} HWBB-0069698 Ii j 9") ji Air Hygiene Foundation of America, Ino. 4400 Fifth Avenue, Pittsburgh, Pa., June 14, 1938 REFSPENCES TC RECENT LITERATURE Oil INDUSTRIAL DISEASES Correction: In our notice sent lest month regarding Bibliofilm Service, under section {2)the cost of photoprints should rend 20 cent3 for the article, plus 10 cents per page, instead of 5 cents per page, as stated.

MECHANICAL ENGINEERING Published by The American Society of Mechanical Engineers Volume 57 Number z Contents for February, 1935 iPCAlNTIFeSi AiiJfailriff' LABOR-MANAGEMENT COOPERATION IN METHODS DEVELOPMENT . . . .........................................................................................

American Society of Heating and Ventilating Engineers Guide, 1930 One of the most important considerations is the durability or life of the apparatus.

American Society of Heating and Ventilating Engineers Guide, 1930 as it starts.

American Society of Heating and Ventilating Engineers Guide )g- Since 2546 Btu per hour = one horsepower-hour and 3415 Btu per h one. kilowatt-hour the heat extracted in performing work per p0u^i_ steam used may be obtained by dividing these figures by the Water of the units per indicated horsepower hour, or per: kilowatt hour rp <11 tively, of work done by the steam.

American Society of Heating and Ventilating Engineers Guide, 1932 shield was satisfactory as the condensation rate was decreased by 11 per cent, the temperatures above the breathing line were reduced, the breathing-line temperature was unchanged, and slightly higher tempera tures were obtained below the breathing line.

American Society 0/ Heating and Ventilating Engineers Guide, 1932 large that normal-changes in temperature and humidity have relatively little effect on indoor air conditions.

.American Society of Heating and Ventilating Engineers Guide, 1932 aO N U (A X4I38dB3 '1U33 J3J 458 ^ fO O D iam eter o f B ranch Pipe F ig . 4.

American Society of Heating and Ventilating Engineers Guide, 1934 Table 2.

American Society of Heating and Ventilating Engineers Guide, 1934 supply fixtures must have these returns carried down to the basement from the termination of the supply riser at whatever level it may end.

Air Conditioning and Refrigeration Universal Cooler Corporation DETROIT MICHIGAN 12 Years Experience in Commercial Refrigeration EFRIGERATING machines built by the Universal Cooler Corporation are R meeting the exacting requirements of the air conditioning industry.