American Society of Heating and Ventilating Engineers Guide, 1935 mended,that the slides in the firing door be kept closed, as the thinner fue| bed around the sides allows enough air to get through.

American Society of .Heating and Ventilating Engineers Guide, 1935 Fig. 3.

Ambrican Society of Heating and Ventilating Engineers Guide, 1936 W = weight of water vapor mixed with each pound of dry air, pounds. h'(s = latent heat of vaporization at 1', Btu per pound.

of andAmerican Society Heating Ventilating Engineers Guide, 1936 3.

American Society of Heating and Ventilating Engineers Guide, 1936 and return lines, but better practice, especially when there is much bare pipe, is to compute the emission from both bare and covered pipe surface in accordance with data in Chapter 36.

American Society of Heating and Ventilating Engineers Guide, 1936 Table 6.

American Society of Heating and Ventilating Engineers Guide, 1936 Table 9.

American Society of Heating and Ventilating Engineers Guide, 1937 flues, as (1) horizontal return tubular (HRT) boilers, (2) portable (self, contained) firebox boilers with either water or fire tubes, and (3) water tube boilers of the power type.

25Chapter --Boilers 3.

American Society of Heating and Ventilating Engineers Guide, 1937 Sectional Committee B16.

American Society of Heating and Ventilating Engineers Guide, 1937 drier decreases as a transfer of heat to the material being dried takes place Where part or all of the heat is supplied by steam coils or other means within the drier itself, the drier is known as a constant temperature drier Driers using little air for heating medium with a high temperature drop are difficult to hold at uniform temperatures; the more air used, the easier it is to secure accurate control of temperature and humidity.

American Society of Heating and Ventilating Engineers Guide, 1937"'" full voltage and well within the required current limits on 30 hp sizes and smaller.

American Society of Heating and Ventilating Engineers Guide, 1937 Chapter 43--Test Methods and Instruments meter is to be permanently located in the duct, a pipe flange or nipDi should be used to receive the threaded portion of the thermometer stem* When the thermometer is not to be permanently located, a cork or rubbe stopper may be placed around the stem to prevent.errors from air leakage Readings should be taken at various locations in a duct so due con' sideration may be given to temperature stratification.

American Society of Heating and Ventilating Engineers Guide, 1937 CUMMING, Ford J.

Heating Ventilating Air Conditioning Guide 1938 Table 2.