396 CHAPTER 18 .. 1949 Guide usually apply primarily to installation and the Underwriters' Laboratories label of approval is sufficient to cover, acceptance of the unit.

540 CHAPTER 25 1949 Guide air quantity through heating coils is often made the same as that necessary to handle the summer cooling load.

.714 ; i !

812 CHAPTER 41 1949 Guide Table 2.

858 CHAPTER 43 1949 Guide coil F is required to warm the air to a temperature above freezing.

JMUMl A j U l f a i l B S --U1 I...U U11.i.

HW6B-U009970 \ FOUNDATION FACTS This news-letter is issued monthly to member comminies and trade associations affiliated with Air Hygiene Foundation.

Mellon Institute of Industrial Research UNIVERSITY OF PITTSBURGH Re PROGRESS REPORT for the week ended May 15, 1944 I USTRIAL HIGIEIIZ FOUNDATION Subjects under which report is to be indexed Industrial Fellowship No. 259-10 3 copies made: 1 - Mellon institute 2 - Industrial hygiene file Dnst counts on samples obtained fn the Pittsburgh Plate Glass Company's Crystal City sand mine were made on May 7 and 8.

244 Col. 1 CHAPTER 12 Winter Climatic Conditions*^ (Continued) Table 1- Col. 2 Station1* c OL. 3 Col. 4 SlevanoNc. 1 FT Col. 5 Col. 6 Low Avbbest AQE Temp.

Registers Air System Equipment CONNOR ENGINEERING CORP.

Preliminary Dust Survey for Asbestos Tcxtllo Institute June, 1947 15 ESTDvMZD IKCDcTCS 0?

.AMERICAN BRAKEBLOK DIVISION 1948 ANNUAL REPORT SPNY 003760

Supervisory personnel at Detroit averaged 34 people for the year, and 9 at Winchester.

F* I 4 Ittluatrial Hygiene Digest - 11 August, 19^9 055 Medical X-Ray Protection Up to Two Million Volta.

PLAINTIFFS EXHIBIT JM 1048 Much 26, 1940.