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Watch and clock escapements; (1904)

Philadelphia, The Keystone · leaf 39

An illustration from Watch and clock escapements;, 1904, leaf 39
locking face of the entrance pallet C. It will be seen that this gives a positive draw of twelvedegrees to the entrance pallet ; that is, counting to the line B f.In this escapement as delineated there is perfect tangential locking.If the locking face of the entrance-pallet stone at C was made… … $•*>..* \\ Fig. 22 pallet staff B, with no tendency on the part of the pallet to turn onits axis B. Theoretically, the pallet with the locking face cut tocoincide with the line A b would resist movement on the center Bin either direction indicated by the double-headed arrow jj/. A pallet at C…

Clocks and watches

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