Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 310
No. 41. COMBINATION ELEVATOR DOORS With or without Iron GrilleThese Doors may be built up to any Design or size—and covered Copper, Bronze or Kalamein Iron asdirected No. I002. SLIDING DUMB-WAITER DOOR WITH TRIM Size z oxz-j o This door may be built in flush with wall or built inside shaft to show… … No. 1003. SWING DUMB-WAITERDOOR Size 2 ox4 o
Building materials
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