Sheet Metal Worker, Volume 25Edwin A. Scott Publishing Corporation, 1934 - Air conditioning |
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Administrator Air Conditioning Air Heating American Armco Association attic Blast Gates blower Brass building ceiling cent Chicago City Cleveland committee construction cooling Copper Corp cost damper dealers Division Divisional Code Authority duct elbows Electric Engineering equipment Fahr Fan Ventilator Federal Housing Administration filter FITRITE floor foregoing furnace galvanized grille gutter heater Hermansville hood HUMIDISTAT illustration industry installation issue jobbers labor machine Machinery manufacturer Marshalltown material meeting ment metal men Ohio operation overhead pipe plant profit PUNCH relative humidity repair Republic Steel Corp rolled roof space roofing and sheet Ryerson Section sell sheet metal contractor SHEET METAL WORKER shown sizes soldering Street temperature Throatless Shear Tin Plate tion trade velocity ventilation wall Warm warm-air furnace warm-air heating welding Write York Youngstown