558 CHAPTER 38 1959 Guide evaporator, aad this in turn operates through the power ele ment to increase the flow of liquid refrigerant.

622 CHAPTER 43 1959 Guide when the fan is stopped.

620 CHAPTER 43 DISCHARGE.LOW LIMIT THERMOSTAT fMnonat uwt 1959 Guide WiWs.- Automatic Control 621 Damper Control From Mixed Air overheating problem outlined for Fig. 13.

Industrial Hygiene Digest - 17 January, 1950 . . __ 52 Pens Iona--Who?

Industrial Hygiene PlgeBt - 28 January, 1950 In weight Increase In either group, or as compared with rate that were fed untreated grain.

I ' ir* I 233.: and it's almost entirely in the age group over forty-five, break down and develop active tuberculosis, spreading tu berculosis* 'It's perhaps of some interest that it's at that i age that the mortality of tuberculosis rises in the general!

FOREWORD The third conference of the American Brake Shoe Company's industrial nurses was held at Moraine-on-the-Lake, Highland Park, Illinois on September 15-16, 1955, As in the past, the value of such gatherings was amply demonstrated.

Industrial Hygiene Digest * i February, 1956 BOOKS, PAMPHLETS AND NOTICES 176 Handbook ot Toxicology.

Other Volumes in this (1958) Series Users of fids volume w3I find much value m Hs companion volumes, which offer ttie complete record of tha 46ft National Safely Congress!

-Vv-3r*/1 ' y*t*< 1 < hi om ts. of to ier 1 loss *- as i ts is s r 166. i same. rags to tbe rttara ?

Industrial Hygiene Digest ii.

asbestos, p. q /'/> - 27.

MEMORANDUM January 6, 1955 j/DR.

C 0 P Y May i, 1950 Alfred S.

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