Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 88
Fig. 5257, Turntable ARTHUR KOPPEL 5259 Fig. 5259, Cast Plate Track TURNTABLES. We have turntables of different styles and capacities. The one mostly used withindustrial railways in buildings, is style 5257. It has checkered top, stops automati-cally after every quarter-revolution, and as it turns…
Building materials
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