Appleton's dictionary of machines, mechanics, engine-work, and engineering : illustrated with four thousand engravings on wood ; in two volumes (1873)
D. Appleton and Company · New York : D. Appleton and Co. · leaf 72
TO AUXILIARY EXPANSION. will be raised before the crank begins to move the dividing plate, and keep it up until it is done moving,and 0 has moved the point back, and then let it down before 0 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 · Mechanics · Engineering
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