Sweet’s indexed catalogue of building construction for the year 1906 (1906)
New York : Chicago : Architectural Record · leaf 82
Elevator Rigged for Wheelbarrows Elevator Rigged for Hods Elevator Rigged for both Hods and Wheelbarrows CARLSON ENDLESS CHAIN MACHINE—This machine consists of two parts, one for thetop and one for the bottom, connected with the hod elevator chain, and the hods are hung on the rungs ofthe chain.…
Building materials
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![An illustration from The Mason Machine Works, Taunton, Massachusetts, U.S.A., inventors and builders of cotton machinery : Founded 1842 ; Incorporated 1873 ; [Catalogue] (1898)](https://img.insideoutlibrary.com/img/200/ia-masonmachinework00maso-277-70.webp)