While reinforced concrete as a structural material iron, one foot apart. Through the main walls, both thickness of six inches,- which are reinforced by ex- has attained wide popularity in Europe and the east- above and beneath the window openings, and extend- panded metal. The top is finished with… … elevators. F. M. Butler, secretary of the Pacific Interior, Showing Finished Concrete and Steel Columns and Floorbeams. Construction Company, the plans were The building was completed within a changed so as to call for reinforced con- period of six months, and cost the paper crete in place of…
Sand · Motor · Patents · Engine · Railroad · Scientific American · Gas · Reinforced concrete · Oxygenized water · American february · Sand waves · Gas engine · San Francisco · Square inch · Merchant marine · Great deal
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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-9-1@90.webp)
