634 INDUSTRIAL HYGIENE AND OCCUPATIONAL MEDICINE or nervous disorder was present.

20 RUTH B.

1 and told you a few things and showed you a few Page 269 2 documents. 3 I can't help to think that it is done for a 4 reason.

1 BY MR.

Page 3377 1 Dreessen's report was published, I think it 2 is called Public Health Bulletin 241, by the U.S. 3 Public Health Service, but a shortened version was 4 also published in the American medical literature in 5 1939 by Dreessen and Sayers. 6 Q It was there for labor or government to 7 see?

PLAINTIFF'S EXHIBIT U.

if/>- r 'r-r Air Hygiene Foundation 4400 Fifth Avenue, Pittsburgh, Pa* November 14, 1938, 1 O91s1 VMS f America, Inc, 11 IflQ InSfc REFERENCES TO RECENT LITERATURE ON INDUSTRIAL DISEASES (A) News Itema 0 794 FALL MEMBERSHIP MEETING OF AIR HYGIENE FOUNDATION _ The annual fall raemoership meeting of Air Hygiene Foundation will be held^St^ Mellon Institute, Pittsburgh, on November 17, More than 200 repeesentat " industrial concerns in all parts of the country will hear progrew repoi the researches which the Foundation is supporting at The Saranac (I.I.)

Boilers and Furnaces IriTERn/mon/iL He/tter Coop/rny Makers of Heating Apparatus Utica, N.

American Society of Heating and Ventilating Engineers Guide 1930 A orn Instrument Service prepared for the Profession-- and Containing reference data on the design' and specification of heatinc and ventilating systems---- Based on the Transactions--the Investigations of the Research Laboratory--and the Practice of the Members and Friends of the Society TOGETHER WITH A Manufacturers' Catalog Data Section Containing Essential and Reliable Information Concerning Modern > Equipment also ' The Roll of Membership of the Society WITH Complete Indexes of Technical and Catalog Data Vol. 8 $5.00 Per Copy 1011990 Published Annually by American Society of Heating and Ventil'ating Engineers 29 West 39TH Street New York

American Society of Heating and Ventilating Engineers Guide, 1930 Table 13.

American Society of Heating and Ventilating Engineers Guide, 1930 Table 7.

American Society of Heating and Ventilating Engineers Guide, 1930 Specific Gravity, referred to Air for Gases, and Water for Solids or Liquids. ......... ..................

American Society of Heating and Ventilating Engineers Guide, 1931 * Page Hoods for dust collecting systems ' 393 Hospitals, water requirements of 300, 301 Hot-box method 23 Hotels, water requirements of 300 Hot water supply boilers 225 Human body heat dissipated to the atmosphere from 408 metabolism and temperature equilibrium of 400 Humidifying efficiencies of air washers 438 Humidity 398.468 Humidity control of air washers 439 Hygroscopic moisture 477 protective devices service storage tanks temperature control Oil burning fan furnaces Oil-fired boilers, chimneys for Oil, fuel cost and delivery sperifications for One-pipe steam heating systems Outlets for ventilation Outside temperatures Ozone and ventilation Ignition of oil 259 Indirect gravity heating surface, selection of 214 Individual and corridor vent flues 146 Induced draft 228 Infiltration (see Chapter 4) 72, 73 Inlets and outlets for ventilation 432 Inside temperatures ' . 83 Inside temperatures usually specified (tables) 82 Installation of oil burners 263 Installing and preparing boilers for service ` 221 Insulation cold surfaces conductivities of 335 31. 32, 34, 35, 37 economic value of fuel saving from 42 42 pipe radiation saving from 331 44 Intermittent operation of oil burners 261 Internal moisture gradient 479 International electrotechnical commission abbreviations 6 Inverted bucket traps 361 K Kent's formula for chimney sizes 233 L Lacquer spray booths, ventilation of Laundry, kitchen and hospital service Leader pipe sizes Libraries, air conditioning of Lifts Lignite Liquids, density of (table) 531 531 97 531 354 243 16 M Mathematical symbols Measurement of draft Mechanical contact dryers Mechanical stoker firing t Mechanical systems of ventilation Metabolism of human body Meters, fluid Metric units (table) Motive forces in natural ventilation Motors 6 229 473 251 431 400 378 21 419 360. 518 N Natural draft Natural ventilating systems Nicholls heat meter Non-ferrous pipe O Office buildings, water requirements of Oil burners air for combustion boilers for . classifications commercial domestic high-low operation . ignition installation intermittent operation 227 422 23 320 300 259 261 257 265 * 253 261 259 263 261 P Paint, effect of, on radiators Persons, heat emitted by Physical units Pin type heating surface Pipe cbils Pipe bends connections to boilers corrosion expansion and contraction heat losses through insulation of physical characteristics of welding Pipe sizes hot water systems steam heating systems water supply systems Pipe welding Piping connections boilers steam systems unit heaters Pitot tubes Power and work relationships Pressure relationships Propeller fans Properties of gases (table) Properties of saturated air (table) Protection of boilers Protective devices for oil burners Pulverized fuel Pumps boiler feed condensation fittings for horsepower required for installation data specifications for standard equipment of . vacuum heating R Radial tip blade fans Radiation, heat transmitted by Radiation fsee Heating surface) Radiators (see Heating surface) Ratings for gas heating appliances Ratings of boilers Ratings of fan furnaces Receivers (see Chapter 23) Recirculating ducts and grilles for warm air systems .

American Society of Heating and Ventilating Engineers Guide, 1931 air is 1.34, based on the values given in Table 1, and when increased by the factor 3 to allow for moving air, the outside surface coefficient is 3 X 1.34 or 4.02 B.t.u. per hour per square foot per degree fahrenheit difference between the surface and the air in contact with it.

American Society of Heating and Ventilating Engineers Guide, 1931 Table 8.