LUNG CANCER IN ASBESTOS MINERS is tiQ reliable criterion by which one can anticipate carcinogenicity and, as is well known, relatively minute changes in the structure of a chemical carcinogen are suffi cient to diminish or eliminate carcinogenic action.

(e) The compensation paid for the manufactured asbes tos materials; (f) Whether any warnings, cautions, caveats or direc tions accompanied the materials referred to in (c); and (g) The date the warnings, cautions, caveats or di rections referred to in (f) first appeared.

American Society of Heating. and .Ventilating Engineers Guide 1931: bend composed of several of the smaller curved pieces illustrated in p(3) a combination of straight pieces with such curved pieces or cast^'" (4) a so-called square bend made up entirely of straight pieces, cast ells In designing any system of steam or hot water piping the exna' for each straight run should be calculated and allowed for.

American Society of Heating and Ventilating Engineers Guide, 1932 26.8, M-m. fixtures, the riser of the 2nd floor supplied must accommodate 53.6 fixtures, the 3rd. 80.4, etc.

American Society of Heating and Ventilating Engineers Guide, 1932 level with the sill of the fire door.

American Society of Heating and Ventilating Engineers Guide, 1932 Table 5.

American Society of Heating' and Ventilating Engineers Guide, 1932 aspecified capacity and pressure varies with the type of blade, and a tip speed that is excessive for the forward curved type is not necessarily so for the backward or slightly backward type.

Expansion Joints E.

American Society of Heating and Ventilating Engineers Guide, 1934 2.

American Society o/ Heating and Ventilating Engineers Guidi Table 2.

American Society o/ Heating and Ventilating Engineers Guide, 1935 lated by the National Warm Air Heating Association (see note p. 401) are equally applicable to gas furnaces and coal furnaces.

American Society of Heating and Ventilating Engineers Guide, 1936 oversize and favored in every way.

American Society of Heating and Ventilating Engineers Guide, 1936 2.

American Society of Heating and Ventilating Engineers Guide, 1936 HEATING EFFECT For several years the heating effect of radiators has been considered by engineers in order to use it for the rating of radiators and in the design of heating systems.

American Society of Heating and Ventilating Engineers Guide, 1936 first radiator receives the hottest water; the second radiator, somewhat cooler water; the third one, still cooler; and so on.