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Healing Systems Burners, Oil Herco Oil Burner Corporation Lancaster, Pa.

-48- Company Alundum wheel operating at 1650 RFK.

PLAINTIFF'S EXHIBIT REPORT OP INDUSTRIAL SERVICE BUREAU FOR THE TEAR 1921 Administrative The entire personnel of tbo Bureau ha* changed since the first of the pear 1921 with the exception of Hiss Daly, Typist and Order Cleric.

ACKNOWLEDGMENT OF TABLES xi PAGE 104 Influence of exposure on susceptibility to pitch cancer Sladden, A.

496 OCCUPATIONAL TUMORS AND ALLIED DISEASES on vegetables and fruits is not uncommon since the introduction of arseniccontaining sprays as insecticides.

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1 down there in the 1920s, 1930s in horrible Page 271 Page 273 1 company, isn't there something out about asbestos, 2 conditions. 2 isn't asbestos dangerous?

1 A Right, right.

Page 3371 1 . the presence of these coated fibrous bodies which they 2 called curious bodies, and we now call asbestos 3 bodies, and coined the term asbestosis as a label for 4 this form of diffuse lung scarring. 5 At the same time Cooke had found out about 6 an earlier case not in the medical literature, but in 7 the records of the British home office at the turn of 8 the century describing a similar case. 9 Over the rest of the '20s, there were 10 additional case reports both in Britain and the United 11 States of a form of diffuse lung scarring associated 12 with asbestos exposure. 13 At that time it was well-known that some 14 dust, particularly silica, could cause diffuse lung 15 fibrosis. 16 So in 1929 the first study of a population, 17 an epidemiologic study, was done in Great Britain and 18 published in 1930, and this was a study by a physician 19 named Merewether who was the Chief Inspector of 20 Factories for the United Kingdom. 21 He looked at the workers in several plants

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WHEN THE RATIO of fofenf to sensible heof is high the surface cooler con bo supplemented by dehumidifyinp the oir chemfcolly before It enters the cooling coil Heat-Tmisfer Coefficient Vs Face Velocltjr Feet Velocity, fpm 350 400 450 SOO 550 600 A, Blu/hr/tq ft/p 5.9 6.8 6.9 7.2 7.8 8.0 the air and the surface according to equation 3 is: 35 - 64.5 (u - u- - 18.9 F The selected coil would have a sur face area given by equation: " 'J-CT&1Z" " fa " M0 "ri where 12 is the over-all coefficient oi heat transfer taken from table above, which correlates A. and face velocity of air stream (or the system under dis cussion.