e 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. the bolt. As will be seen, this lock is entirely without — ■»<»>» springs, and… … MACE'S LATCH, OR SPRINGLESS LOCK. the rimless wheel therein, the clutch teeth will slide by SCHMIDT'S WINDOW FRAME, ) 1891 SCIENTIFIC AMERICAN, INC.
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