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Origin of ratchet wheel
Words nearby ratchet wheel
Example sentences from the Web for ratchet wheel
H is a ratchet-wheel, which, like the key-board, is insulated from the rest of the apparatus.
A detail of one of them is shown at v in Fig. 1380, where x is the ratchet-wheel.Modern Machine-Shop Practice, Volumes I and II|Joshua Rose
A catch or pall, turning on a fixed axis, prevents the ratchet-wheel or rack from reversing its motion.
When the tympanum vibrates under the influence of the voice, the stylus acts as a pawl and turns a ratchet-wheel.Heroes of the Telegraph|J. Munro
In the coach-seat at b, the fly with its pinion, as well as a ratchet-wheel, is necessary.A Dictionary of Arts, Manufactures and Mines|Andrew Ure