HEATINC VENTILATING AIR CONDITIONING GUIDE 1941 GENERAL REQUIREMENTS In general, air conditioning apparatus for industrial purposes must be capable of absorbing heat from various sources such as machinery power, electric lights, people, sunlight and chemical reaction; of warming or cooling to any desired temperature, and of providing ample air supply at all times.

HEATING VENTILATING AIR CONDITIONING GUIDE 1941 dARLSON, Everett E.

INDEX HEATING VENTILATING AIR CONDITIONING GUIDE 1942 Technical Data Section Chapters 1-47: and Pages 1-855 ; A' Abatement, smoke, 566 Abbreviations, 844 Absolute humidity, 837 pressure. 837 temperature, 4, 837 zero, 837 v Absorbents, 463, 466 process, 466 temperature, pressure, concentration, 467 Absorbers duct sound, 636 outlet, 641 ; plate cells, 638 .

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 CHAPTER 2.

HEATING VENTILATING AIR CONDITIONING CUIDE 1942 There are three general types of mechanical return devices in common use, namely, (1) the mechanical return trap, (2) the condensation return pump, and (3) the vacuum return line pump.

HEATING VENTILATING AIR CONDITIONING GUIDE 1942 asbestos and metallic gaskets may be used for any pressure" and tem fpaecriantgu.re conditions, but preferably only with a relatively narrow recessed WtLDING Erection of piping in heating and ventilating installations by means of fusion welding has been commonly accepted in the past few years as a competitive method to the screwed and flanged joint.

HEATINC VENTILATING AIR CONDITIONING GUIDE 1942 there is one basic law which is important in the solution of the problem.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1942 Speed Characteristics Direct current motors are available with speed characteristics of four types: X.

HEATING VENTILATING AIR CONDITIONING GUIDE 1943 Infiltration (continued) temperature difference, 125 through outside doors, 124 through walls, 120, 122 Inside temperature, 129 Instruments. 669 Insulation boiler, 258 economical pipe thickness, 787 . low temperature pipe, 783 pipes to prevent freezing, 785 Intermittently heated buildings, 141 Interstitial condensation, 117 Ionization. 45 Iron elbow equivalents, 317 Isobaric. 847 Isothermal, 847.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1943 the fuel bed and thus automatically causes a larger draft above the fuel bed, which draws in more secondary air through the same slot openings.

HEATINC VENTILATING AIR CONDITIONING CUIDE 1943 BOILER CONNECTIONS Steam .

HEATINC VENTILATING AIR CONDITIONING GUIDE 1943 set forth in the Standard Manual on Pipe Welding of the Heating, Piping and Air Conditioning Contractors National Association. .

*rf |y-;> c INDEX is:iY'/ HEATING VENTILATING AIR CONDITIONING GUIDE 1944 iJ" LV.i It," ' uY-*- Technical Data Section Chapters -1-4?

HEATING VENTILATING AIR CONDITIONING CUIDE 1944 .

HEATING VENTILATING AIR CONDITIONING GUIDE 1944 be used in place of the grilles.