Healing Systems Boiler Feeders M-DONNELL & MILLER Safety Devices for Steam and Hot Water Boilers and Liquid Level Controls General offices: Wrigley Building, Chicago, 111.

Air Conditioning Central Systems GENERAL ELECTRIC Air conditioning and commercial refrigeration divisions Bloomfield, New Jersey Atlanta.

Air--------------------- Conditioning GjfCKtVoorf Industries, Inc, f Heating Division 7924 Riopelle Street Detroit 11, Michigan Tempered-Aire Unit Oil Burner Combustion Chamber Firing Unit TEMPERED-AIRE UNIT A high efficiency, direct fired heating unit incorporating a large-volume firebox, an integral economizer, a coordinated oil burner combus tion chamber firing unit, a flash-type humidifier, washable cloth filters, and a low speed, resilientmounted blower.

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Air Conditioning Unit Systems American Blower Corporation P.

Controls and Instruments The Meriam Instrument Company 10984 Madison Avenue, Cleveland 2, Ohio Representatives in Principal Cities MANOMETERS, METERS AND CAUGES FOR ACCURATELY MEASURING PRESSURES, VACUUMS AND FLOWS OF LIQUIDS AND GASES e In.

The following condensation of applicable wage and special conditions for the various Euilding Trades crafts on the Gramercy Project are for ready reference and do not'necessarily follow exact text of the respective union agreements* problems rerarding labor which arise on the project should be referred to the Industrial Relations Department for determination* REAxb^i 10/16/56 Field Industrial Relations Manager KEN 005135 !

Air Conditioning Controls, Pumps AILIS-CHALMERS MANUFACTURING COMPANY Milwaukee 1 Wisconsin There is an'Allis-Chalmers representative near you.

Air Conditioning Automatic Equipment; Direct-Fired Units, Unit Heaters Lee Engineering Company Union National Bank Bldg., Youngstown, Ohio LEE DIRECT WARM AIR HEATING The Lee System of warm air heating generally costs less to install than steam or hot water; utilizes fuel with a high degree of efficiency; distributes the heat exactly where needed; responds promptly without lag; requires little or no maintenance; and needs no licensed attendant.

Air System Equipment Fan* and Biovera JOY MANUFACTURING CO.

Heating Systems Radiators ____________ Convectors American ^ Standard Radiator ^atutarg CORPORATION P. 0.

Air Conditioning centmi Srstems Winston-Salem, N.

Air System Equipment Cons I^ KRITZER RADIANT COILS, INC.

CU FT OF AIR PER MINUTE

Air System Equipment ci^ners Owens-Corning Fiberglas Corporation Toledo 1, Ohio OH'EN'S-CORNIXO Fiberglas AIR FILTERS WHAT THEY ARE--Fiberglas* Dust-Stop Air Filters are replaceable, impingement-type filters.