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Vol 45 No 2 Issue 691 November 1953
28 other sections not shown
advertising air conditioners air conditioning air distribution alloys aluminum automatic BLAST GATES blower building burner capacity Card f Catalog central heating Chicago Chrysler Circle Item Cleveland Climatrol complete condenser copper Corp cost customers damper dealer dehumidifier designed diffuser distributor duct efficiency Electric Engineering equipment filter floor Follansbee furnace galvanized gauge grilles handle Heater heating and air heating and cooling heating systems hood industry Inquiry Card installation insulation jobber joint machine manager manufacturers material ment models motor Ohio oil burner operation perimeter pipe Pittsburgh plant problems profit refrigeration registers residential roof selling shears Sheet Metal Contractors SHEET METAL WORKER solder spot welding stainless steel standard Tarrytown temperature thermostat tion valve velocity ventilating Viking Air wall Warm Air Heating welding wholesalers