The watch; its construction, its merits and defects, how to choose it, and how to use it (1860)
Piaget, Henry F · New York, Printed by C. Vinten for the author · leaf 20
) to convey the power to the escapement,and to keep up the vibration of the balance, constitutesthe essential difference between one watch and another. A watch is described by the form of its escapement :there is the vertical, or verge watch, but as they areneady out of date for good watches, I… … 7 Horizontal Escapement. A lever, or anchor watch, has the impulse given by.-.a lever attached to anchor pallets.
Clocks and watches
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