Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 171
ERN METHODS IN HOROLOGY. be drawn at the outer end for a short distance. The width ofthe spring should be as great as it is possible to use, andallow clearance between the bottom and cap, 1-10 of a milli-meter being sufficient in nearly all cases. A very quick wayto test the old spring to see if it… … Fig. 6. from the shoulder the cap rests against to the bottom, allow-ing a very small amount for freedom. If the head is counter-sunk like Inany Swiss watches, we can use a spring as wideas the distance from the shoulder to the bottom, the recess inthe cap being sufficient for the necessary…
Clocks and watches
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
