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Scientific American, Vol. 41, No. 25 (1879) (1879)
leaf 7
atisfactorily effected by the ma- chine, working entirely automatically and by power, mak- is simple, readily applied, and capable of holding the car- around a curved groove in the boss on the end of the barrel riages securely, preventing them from moving when left alone. to form the loop. When the… … gravings. bar carrying a needle © 1879 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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