Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 58
WHEELS AND PINIONS. we examine those made by a careless workman, it is no won-der so many watches fail to perform their duty in a satis-factory manner. Often a watch is improperly oiled, and the pivots get dryand begin to cut in a short time; they are so badly worn thata new pivot is necessary.… … Figure 13. if not jeweled, and in some cases they can not be removedwithout breaking. Many very good workmen do not think it is necessaryto understand how to find the correct sizes of wheels andpinions as shown in these articles, but I am sure that onewho does understand how to do it intelligently…
Clocks and watches
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