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 677
W … 1, a hollow boss fitted to rotateupon the driving shaft A, with a mo-tion independent of that of the latter,and carrying at one end a spur pin-ion working into a wheel on the shaftB, and at the other a bevel-wheel,being part of the equational bobbinmotion. K is a similar bevel-wheel fastupon the…
Mechanical engineering
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