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Modern methods in horology (1904)

Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 150

An illustration from Modern methods in horology, 1904, leaf 150
e fourthtooth (counting the one locking, as the first), the let offpoint is a very small distance from the let off point of thepallet; this amount is the drop, and is shown in the photo-graph (Fig. 8.) When a tooth is locking on the L stone, 142 THE LEVER ESCAPEMENT. then the space between the let… … Fig. 8. points to observe in selecting either a wheel or the pallets.It will be noticed that in the first case the pallets fit beticeenfour teeth with a small amount of shake; in the second case,they fit over three teeth with the same amount of shake.When these conditions prevail, we may be quite…

Clocks and watches

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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