Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 749
Iron Drum 108.00 Each extra story, additional 12.00 2000 lb. Eievator Outfit, Complete 224.00 Machine only, Double Hoist Wheels or Iron Drum izo.oo Each extra story, additional ^S-So 2500 lb. Elevator Outfit, Complete 238.00 Machine only, Double Hoist Wheels or Iron Drum 132.00 Each extra story,… … EiG. 6. SEDGWICK HAND POWERELEVATOR
Building materials
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