se tall structures are used as office At the beginning of the present century, buildings. They are quite important a very heavy type of sheet piling was buildings, as may be judged by the fact driven in Chicago close to the old Linn that they are together equipped with a Block. The alternate units… … ber of forms of in this neighbor- Circular pier in foundation of Woolworth Building. American steel hood is waterbear- sheet piles that are ing. A cofferdam provided with strong interlocks. Con- was put in place enclosing the whole, but sequently, we have at once what is in it was thought desirable…
Engineering
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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)
