new method of forming the cor- gitudinal beam, and halve them together. Longitudinal balls are used in the game of billiards, is placed at the side ners of the table. Hitherto it has been customary to use grooves are also formed on the inner surface of the side and of the table. As this is both… … ford a perfect support to the bed clear out to the corners of the latter; at the same time the whole structure is rendered stronger and more durable with less weight of material. " broad rails," to accommodate tenons on the ends of the These inventions are the subject of separate patents, that…
Valve · Patents · Improved · Iron · Crank · Center · Center punch · Axle · American supplement · Reverse lever · Scientific American · Slide valve · Lost motion · Heat reservoir · Crank pin · Punch mark · Fixed center
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