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. toe f, no 1111 i VI ' Possible health hazards of the polychlorinated biphenyls, M.

Section 2 Page 1_____________________ INFORMATION ON HEALTH EFFECTS Chlorinated biphenyls range from liquid to solid, depending upon the degree of chlorination.

(conoco) Conoco Chemicals Company A Division of Conoco Inc.

Heating Ventilating Air Conditioning Guide 1939 Chapter 13.

Heating Ventilating Air Conditioning Guide 1939 COOLING METHODS A slight cooling effect may be obtained under certain conditions by the use of basement air.

~S -f ; Heating Ventilating Air Conditioning Guide 1939 tinues upward through eliminators, a cooling surface and a heating surface before it leaves the unit.

Heating Ventilating Air Conditioning Guide 1939 __/ - ____________________________ ::---------------- -- .... --- -............. -- --------- -- : : ------~-------------- ---------- ' "ch^ter2S- Spray Equipment for Humidification & Dehumidification used largely to wash heavy reclaimable products from the air, and are generally composed of one to three eliminator-type baffle scrubber plates across the air stream.

Heating Ventilating Air Conditioning Guide 1939 The pressure at the outlets nearest the fan will be greater than at the pipes fartl, along the run so that the former will tend to deliver more than the calculated amour* air.

Heating Ventilating Air Conditioning Guide 1939 connecting of loads on the power line and they are likely to vary with different power companies. 11 In controlling direct current motors what two methods are used, what speed ranges are obtained, and what is the relative efficiency of each method?

160 CHAPTER 7 :l?

Air Conditioning *%&*** Refrigeration Appliances, Inc. 909 West Lake Street, Chicago 7, Illinois MAKERS OF AIR CONDITIONING AND REFRIGERATION EQUIPMENT SINCE 1931 A--New Krack Air Cooled Condensers Eliminate all water problems.

404 CHAPTER 22 ties gradients near a surface their effect on film conduct* ance (A5HVE Transactions, Vol. 37,1931, p. 301).