Litchfield, Isaac W, Massachusetts Institute of Technology. Society of Arts · Boston, Mass. : The Society · leaf 133
Science Conspectus 121 … Side View of the Dock with Ore Cars on the Structure. Courtesy Engineering Record and at another time 8 vessels with an by hand winches, and once opened cannot be closed until the bin is empty. aggregate tonnage of 62,000 tons were As will be seen, massive concrete col- loaded in six hours. Six of…
Science
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
![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-23-8.webp)
