Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 308
Design 5. SEAMLESS DOORPatent Stamped Panel Design 87. ELEVATOR OR VESTIBULE DOORSheet Metal Covered. Made up to Design Design 19. SEAMLESS DOOR WITH PLATE OR WIRE GLASSPatent Stamped Panel All our Standard Doors are seamless. Panels are stamped under a pressure of 250 tons, and themetal is…
Building materials
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