spur wheel

noun

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First recorded in 1725–35

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Having obtained the arcs d, e, f, the curves may be marked thereon as for a spur wheel.

A large spur-wheel G, is fixed upon the axis F, to give motion to the endless chains; see both figures.

To the spur wheel 3, a bevel wheel 4, is fixed, with which the other also revolves loose upon a stud.

This can be done in this way: attach a spur wheel to the back of the face plate.

The spur wheel is 12 feet diameter, 24 inches face, and contains 96 teeth.

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