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Scientific American, Vol. 39, No. 13 (September 1878) (1878)
leaf 3
n to the stuff thus broken. A strip terrafirma again without the like this, two inches wide, re- least accident. quires an effort of 430 lbs. to But to return to M. Gif- tear it. The material of the fard's apparatus for cable balloon stretches about one Fig. l.-APPABATTJS FOR TESTING THE FABRIC OF… … a flattened tube wound spi- plates against the impact of rally a number of times, and projectiles. Fig. 2-GlFFARD'S APPARATUS FOR TESTING STRENGTH OF CABLES. its proportions are such that © 1878 SCIENTIFIC AMERICAN, INC.Patented · Patents · Rises · Iron · Improved · Scientific American · Water · Mercury rises · Lontin light · Electric light · Sewing machine · Improved machine · Personal description · Wrought iron · American supplement · India rubber
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