movement of the of ratchet teeth surrounding the central vertical hole through — ‘auxiliary crosshead is transferred through the pawls, G H, which the pintle passes. The lower knuckle is formed toa point above the plane of reciprocation, and applied to with a sliding surface and shoulders or stops… … them under water, which he renews from time to time. He found that even the thickest kind of tubing will thus remain LANE’S SPRING HINGE. soft and pliable without losing elasticity; nor has he found jany other drawback by adopting this plan, except this, that edge and opposite each other, as…
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