Heating Ventilating Air Conditioning Guide 1938 Water is heated by various methods using heat exchangers arranged so that the boiler heating medium gives up its heat to the water in the hot water circulating system.

Heating Ventilating Air Conditioning Guide 1939 Driers, 666, 667 adiabatic, 667 agitated, 666 batch. 666 compartment, 666 continuous, 666 cylinder, 666 design, 676 drum, 666 festoon, 666 high temperature, 681 .. induction, 666 intermittent, 666 rotary, 666 spray, 666 tower, 666 tunnel, 666 vacuum, 666 Drip, 838 Dripping of steam pipes* 333 Drum driers, 666 Dry air, 838 Dry-bulb temperature, (see 'Temperature, Dry- Bulb) Dry return, 838 Drying, 645, 665, (see also Regain) adiabatic temperature, 667 air circulation in, 671 combustion, 673 by conduction, 667 constant temperature, 668 by convection, 667 design, 676 direct contact, 667 equipment for, 671 estimating method, 683' factors influencing, 669 gas combustion constants for, 677 - high temperature, 670, 681 humidity chart, 672, 673 humidity in, 670 industrial, 645, 665 low temperature, 670 mechanism of, 668 methods of, 665 .moisture in, 669 omissions in the cycle, 668 by radiation, 665 rules for, 670 stages of moisture diffusion, 668 constant rate period, 668 falling rate period, 668 sun, 665 temperature in, 670 time of, 671 materials, 674 ventilation phase, 679 Duct, ducts, air, 404, 581 design of, 581 equal friction method, 587, 593 velocity method, 587 for air distribution, 565 air velocities in, 407, 660 circular equivalents, 589 construction details, 598, 659 design of duct systems, 404, 687/ 596, 652, 658, 659 heat loss from, 746 humidity measurement in, 830 insulation of, 735, 748 lining factor for sound, 609 noise transmission through, 609 pressure loss in, 682. elbows, 582, 660 for recirculated air, 387 resistance, 661 sheet metal for. 698, 659 sizes of, 585,, 589, 653 temperature loss in, 421 - temperature measurement s, 825 velocity measurement in, 827 Dust, 77, 838 air speeds to convey, 653, 660 Dust (continued) , catching devices, 86 - collectors, 661 concentration in air, 80, 831 counter, 831 disposal of, 84 industrial exhaust systems, 651 measurement of, 831 Dynamic equilibrium.

Heating Ventilating Air Conditioning Guide 1939 .Table 1.

Heating Ventilating Air Conditioning Guide 1939 handles are often supplied to indicate the relative opening of the valve .

Heating Ventilating Air Conditioning Guide 1939 1.

Air Conditioning Central Systems Westinghouse Electric Elevator Company LU=f J Air Conditioning Division 150 Pacific Avenue -- Jersey City 4, N.

26 Hea ting VehHlaiirvg^Air^rC6nditioriingT^Giiidel945 GROOT, Hairy WT."

M aW c MMBB-0007815 'f Air Hygiene Fovmdetion of America, Inc., 4400 Fifth Avenue, Pittsburgh, Pa., February 1, 1937.

SC-ALL-00900 I SC-ALLF-00265 1934 TRANSACTIONS National Safety Council Incorporated TWENTY-THIRD ANNUAL SAFETY CONGRESS Cleveland, Ohio October 1 to October 5, 1934 The Cleveland, Carter and Statler Hotels Cepyrixkt. 19J5, Notional Sa/ctj Cownci/. lr\.

VA%R OP CAR YEAR AND MODEL 1 TAILORED SET NO. * Front and j Front nt ' RrarlVmkea; Re*f Brtfcr* Typr Labr*r Labor No.

-81- for dusty Jots men who are past the age of 40 and not young men Just taking up a trade.

c t4 In th atmosphere brAtlioJ| oaoond, ltr{Q particles ore more offootUtly removed by the protective tieahenlsa* of tho upper respiratory tract.

MAR-27 --90 T U E 16 : 5 3 LARRY MADEKSHOj ATTORNEY r*.

HFM - 003507 oid hyperplasia and cervical lymphadeni apparent thyroid cancer by country a|id tis in infancy and early childhood, and race may -reveal important interactions was consistent with' the hypothesis that between host and environmental factors.

MET-J29 SEVENTIETH ANNUAL BUSINESS .