Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 170
makes the requirednumber of turns and the outside coil comes to the mark, thespring fits the barrel if it has about ten and a half or elevencoils before winding. The spring might fill the right amountof space and have too many coils. This would show at onceit was too weak, and if there should not… … Fig. 5- about sixteen coils and the spring filled up too much of thespace. After breaking off the outer end so that the springhad evelen coils, the watch ran easily thirty-three hours. Thebarrel hook in this case was also defective as can be seenby the illustration. It is so long that it projects…
Clocks and watches
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