San Francisco : Architect and Engineer, Inc · leaf 164
Tensioning crew in action. Note method of talcing upelongation of bar with pin wrench. Split washer orshims at hand to slip into place when proper elonga-tion is obtained. View duringtensioningoperation atThird FloorLevel. Inspector at Ciiart is checlcing elongation of the Stressteel barsi. Note…
Architecture · Building
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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-15-4.webp)
