ib project- raise the earth up through a flexible back, which yields the axle clip in the usual way are two forwardly pro- ing into an adjacent gutter, while flanges on its side to allow a stone or other obstruction to pass freely up jecting lugs or ears, with a cross bolt adapted to be engage… … SCHOCH'S THILL COUPLING. if it passes under a small stone, which is too large to get up through there being a raised knuckle near the end of the thill the throat, it automatically yields and a peculiarly formed key adapted to enter the slot back, making the throat twice the of the thill iron, to…
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