Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 747
mmon to all other automatic dumbwaiters. These machines are superior in principle, design, construction and finish, andare unequalled for durability and security. They are manufactured in large quantities with special tools, insuring the |greatest accuracy, and are sold at the lowest price… … ILLUSTRATIONS—Fig. i shows Dumb Waiter Outfit complete, readyfor erecting in well; machine mounted on platform, weight running indouble guide runs inside the well, saving space and expense of a pocket.The weight is always accessible. Cars and platforms for machines will be made any size requiredat…
Building materials
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