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Frictional Escapements

Those escapements in which the balance is never free or detached from the escapement. In contra-distinction to the detached escapement. The duplex, cylinder or verge are examples of frictional escapements.

FRODSHAM, CHARLES. A skillful and successful watchmaker of London and the author of several valuable works on watchmaking. He was born in 1810 and died in 1871.