The ratchet wheel and pawl shown in fig. 48 are part of the lubricator.
We think a ratchet wheel should not be employed with equidistant pallets.
On the side of the clock case was a contact maker, which closed the circuit by the pin on the ratchet wheel, R, once every minute.
The L lever carries a pawl which operates a ratchet wheel, placed on the handle end of the slide rest cross ...