Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 245
Fig. 18. after they have been oiled and lay them carefully on thebench paper, then as they put the movement together again,handle them again with the same care and yet they havefailed to observe one of the most important points. No mat-ter how carefully the bench is cleaned and dusted, there… … Fig. 19.
Clocks and watches
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