Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 746
Fig. Fig. 3. PUSH-BUTTON CONTROL DUMBWAITERIn Operation ELECTRICDUMBWAITERS. AUTOMATIC ELECTRIC HIGH-SPEEDDUMBWAITER ENGINE,With Push-Button Control We are the largest manufacturers of Electric Dumbwaiters in the world. We make all sizes, from our Rope ControlDumbwaiter (Fig. i), of twenty-five…
Building materials
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