phic blows with 28-pound sledges were struck on a chilled wheel, ends projecting at a uniform hight, arranged in spiral rows, wires, so as to supersede gutta percha by an altogether supe- at one of these trials, before the stout smiths could break out rior article. Tests for inductive resistance on… … Birable. ive cylinders, then shaved The patent for this device is from the periphery by keen DAVIS' MACHINE FOE SCOURING LEATHER. dated Dec. 4, 1866, and was obtained cutting machines into very through the Scientific American Patent Agency for Franklin thin long sheets, next slit into tapes, and…
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