926 CHAPTER 36 1958 Guide cause of the high vacuum, a small amount of the water introduced in the evaporator is flashed into steam.

Copyright 1959 BY THE American Society of heating and Air-Conditioning engineers, Inc.

296 CHAPTER 21 1959 Guide Air Duct Design t 297 .1 fig. 14....

662 CHAPTER 47 1959 Guide levels of unit conditioners are generally somewhat greater than those of unit ventilators.

310 Heating Systems Batter-Darner Dolt* GENERAL AUTOMATIC PRODUCTS CORP. 2300 Sinclair Lane Baltimore 13, Md.

v-vnv'"' nchti.'

Transactions, 1952 National Safety Congress 33 Klein, Mathias, & Sons, Chicago, I1L Manufacturers of Linemen's Tools and Equipment.

VOLUME 6 tXANSACTIONS 1952 Current Safety Topics in the CHEMICAL INDUSTRIES os presented in sessions of the Chemical Section at the 40th National Safety Congress Pilot Plant arad Laboratory Safety (A Symposium] fire and Explosion Problems...................

Industrial Hygiene Digest June, 1957 the clinical approach, U is apparent that studies of the environment in the interest of cancer, especially of the lung, are complicated by a host of variables which cannot always be deter, mined with certainty in the light of present knowledge.

48.

1958 Xational Safety Congress fcrcncc of 1046 of joint union-managementgovermnent participation.

) TELEPHONE NATIONAL 8-2388 Manufacturing Chemists' Association, Inc.

(484) MINUTES of the seventy-third meeting of the Directors of the Manufacturing Chemists' Association, Inc,, held at the Hotel Niagara, Niagara Falls, New York, on October 8, 1957, at 10:30 a. m.

INTEROFFICE CORRESPONDENCE 0100511 To: Hr.

m -i Safety Newsletter iuZUJX Chemical Section CHEMICAL INFORMATION SHEET (Tentative) ISiH ^ 0 The Chemical Section is developing a number of chemical information sheets on a large number of substances.