Appleton's dictionary of machines, mechanics, engine-work, and engineering (1861)
Appleton, firm, publishers, New York. (1852, D. Appleton & Co.) · New York : D. Appleton · leaf 74
70 AUXILIARY EXPANSION. •will be raised before the crank begins to move the dividing plate, and keep it up until it is done movingand 0 has moved the point back, and then let it down before O begins to let it return. The axis K hasalso on it, near the end, a small cog P, to sliift the ratchet-wheel…
Mechanical engineering
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