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Scientific American, Vol. 78, No. 6 (February 1898) (1898)
leaf 13
itable for cutting threads from Street, Toledo, Ohio. A valuable series of papers giving all the classic forms No. 17 wire gauge to 6 inches diameter inclusive. of perpetual mot,ion apparatus. The literature on this Geometric Drill Co. , Westville, Ct. PUBLICATIONS FOR 1898. subject is so very… … © 1898 SCIENTIFIC AMERICAN, INC.Gas · Acetylene · Dam · Munn · Patents · Scientific American · Hoisting rope · Firing bolt · Patent office · Masonry dam · Cubic feet · Longest pole · Soft soap · Third rail · American supplement
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