Document 2JeM2pK32jvoE8zQ9OQpY3d5g

Air Conditioning The Cooling & Air Conditioning Corp. Executive Office Boston 31 UNION S<?UARE Atlanta Chicago New York City Pittsburgh Engineers and Contractors Automatically Controlled Air Conditioning Systems: Cooling--Humidifying-- Dehumidifying -- Heating -- Ventilating -- Drying -- Ross Paper Conditioning -- Fleisher Bakery Systems Complete Dehumidifying Equipment Air Conditioning Systems are designed to overcome the handicaps imposed on industry by variations in weather, or adverse climatic conditions. They insure to the manufacturer that effect on materials and processes which can only be produced by ideal temperature and humidity values, making his plant entirely independent of the seasons or changeable daily weather. Whether the cure for such difficulties involves the creation of high or low temperatures and high or low humidities in any combination, this organization offers a broad experience in the careful design of dependable equipment united with the highest type of engineering and contracting service. In addition to the treatment of industrial departments requiring humidifying or dehumidifying, the cooling of theatres, moving picture houses, cafes, and other places of assembly are fields in which we have specialized with marked success. The experienced active personnel of this organization enables us to design and in stall automatically controlled cooling and air conditioning equipments of any size, for any purpose and having had broad experience in practically all fields where this type of equipment is employed, our sales engineers wilt be glad to cooperate with those requesting their service. 306 Air Diffusers Knowles Mushroom Ventilator Co. 202-204 FRANKLIN STREET, NEW YORK Knowles Air Diffusers for Auditoriums of Theatres, Churches, Schools Nu-Notch Air Diffusers Are finely adjusted by merely raising and lowering the cap in ten recessed notches, and locking. They cannot be tampered with arid are made with lugs for either wood or concrete floors. No set screws. Three outer bearings make them rigid. Size 5' * 6* 7" * 8* 10* ` C. F. M. at 300 Vel. 27 42 60 81 105 165 Area. Sq. Ft. 0.0873 0.1364 0.1964 0.2673 0.3491 0.5454 Weight. Lb*. 2.75 3.50 4.25 5.75 8.00 11.75 Specification Data--For concrete floors furnish and place 6 in. cast iron mushroom air diffusers with recessed notches for permanent adjustment of mushroom caps at any desired opening: to have center screw locking feature, and L shaped lugs as manufac tured by Knowles Mushroom Ventilator Co. Provide for each opening No. 20 galvanized iron sleeve extending through concrete floor; to be set when floor slab is laid. (See booklet page 6.) Standard Aisle Hood Air Deflectors Are used to throw the fresh air out into the aisles in one direction. They provide the engineer with an inexpensive method of introducing a large volume of air wherever needed without causing annoying drafts. A curved damper reduces friction loss. Long Wide High Lbs. Small Size............... l^arge Size. .............. 8* 8* 4Vz' 6# 4'/2' 6' 91/; 13 May also be made in any size to suit conditions. C. F. M. at 300 Vel. 75 100 Area Sq. Ft. 0.25 0.333- Riser Concrete Plan Gallery Riser Ventilator For the intake or exhaust of warm or cool air in the balconies of auditoriums adjustable toany opening and locked. A5/ZE BC O E Aire* A7n TBs wr 6 4% 7b At `4 (96 60 z S 63& 10W Vi $4S /Ob 4- itto HV 7I1 !Zf % .545 ek !Z /6% !Q% IT //% .9S5 235 9i Also 6x12 Standard Size Camelback Air Diffusers Give a two-way air delivery, at ends as shown and are particularly desirable in keeping duct work at a minimum. They are furnished with or without dampers. Nos. 1 and 3 have no dampers while Nos.. 2 and 4 have two regu lating dampers. Nos. 1 and 3--Size 14" long, 7" wide, 6" high at ends. Nos. 2 and 4--Size 14" long, 7" wide, 5" high at ends. . (See Booklet for Capacities) All are of substantial construction being made of heavy cast iron. Other Knowles Products are Single Damper, Double Damper and Lever Lock Mushroom Ventilator, Disc-Loc Gallery Exhaust Vents. Send for new booklet containing complete engineering data. 307