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Scientific American, Vol. 65, No. 22 (1891) (1891)
leaf 4
d, as shown in Fig. 2, and bya slight and the operator turns the worm, the knife is swung pressure on this knob the weight is again moved to toward or from the grinding wheel to-enable the change the position of the shifting lever and withdraw operator to adjust it according to the bevel desired.… … MACE’S LATCH, OR SPRINGLESS LOCK, the rimless wheel therein, the clutch teeth will slide by © 1891 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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