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Heating Ventilating Air Conditioning Guide 1939 Chapter 13.

Heating Ventilating Air Conditioning Guide 1939 COOLING METHODS A slight cooling effect may be obtained under certain conditions by the use of basement air.

~S -f ; Heating Ventilating Air Conditioning Guide 1939 tinues upward through eliminators, a cooling surface and a heating surface before it leaves the unit.

Heating Ventilating Air Conditioning Guide 1939 __/ - ____________________________ ::---------------- -- .... --- -............. -- --------- -- : : ------~-------------- ---------- ' "ch^ter2S- Spray Equipment for Humidification & Dehumidification used largely to wash heavy reclaimable products from the air, and are generally composed of one to three eliminator-type baffle scrubber plates across the air stream.

Heating Ventilating Air Conditioning Guide 1939 The pressure at the outlets nearest the fan will be greater than at the pipes fartl, along the run so that the former will tend to deliver more than the calculated amour* air.

Heating Ventilating Air Conditioning Guide 1939 connecting of loads on the power line and they are likely to vary with different power companies. 11 In controlling direct current motors what two methods are used, what speed ranges are obtained, and what is the relative efficiency of each method?

160 CHAPTER 7 :l?

Air Conditioning *%&*** Refrigeration Appliances, Inc. 909 West Lake Street, Chicago 7, Illinois MAKERS OF AIR CONDITIONING AND REFRIGERATION EQUIPMENT SINCE 1931 A--New Krack Air Cooled Condensers Eliminate all water problems.

404 CHAPTER 22 ties gradients near a surface their effect on film conduct* ance (A5HVE Transactions, Vol. 37,1931, p. 301).

Table 5 DEATHS AT AGES 15-64 IN A COHORT OF 1, 042 WHITE MALES WORKING IN ASBESTOS TEXTILE PLANTS IN 1938-41 AND ALIVE JAN. 1, 1948 BY EMPLOYMENT STATUS Period of Death 1948-52 1953-57 1958-63 Total Total Deaths 43 37 5'9 139 Still employed in Asbestos Textile Plants Jan. 1, 1948_________ Total Lung Deaths Cancer Asbestosis Not employed in Asbestos Textile Plants Jan. 1, 1948 Total Lung Deaths CancerAsbestosis 20 0 41 0 1 40 3 33 3 1 11 __ 2_ 4 48 7 1 17 2 7 122 10 3 DISCUSSION Data presented here are consistent with those reported by Newhouse who showed little difference in lung cancer deaths between men with short, as compared with long, periods of asbestos dust exposure.^ One reservation that needs to be made in interpreting data presented here is whether those persons who died of asbestosis would not have ultimately developed lung cancer, particularly in view of the apparently differing latent periods for these two diseases.

United Stated Department or Commence BUUMMTOD Moroh 16, 1932.

PLAINTIFF'S EXHIBIT MET-972 l III TRI*8TATX Z1IC AID UUD OK* fHOECOXM UaOOUTlC* flaher, Oklahoo^ Jen. 31, 1933 Mr.

COPY October 30, 1936 Julian Mitchell, Esq., Mitchell and Horlbeck Charleston, S.

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