The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . Fig. 81. Fig. 82. Shoulder Chuck. A chuck having a large opening in the end withsquare shoulders for the work to rest upon as show^n in Fig. 82. Step or Wheel Chucks. These chucks are usually made in sets offive, each chuck having nine steps, giving fortv-five different chucks are very useful in holding main spring barrels, to fit in the cap of the barrel, should it become out of true. They are also valuable in truing up barrels of English lever watches, that are damaged owin
The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . Fig. 81. Fig. 82. Shoulder Chuck. A chuck having a large opening in the end withsquare shoulders for the work to rest upon as show^n in Fig. 82. Step or Wheel Chucks. These chucks are usually made in sets offive, each chuck having nine steps, giving fortv-five different chucks are very useful in holding main spring barrels, to fit in the cap of the barrel, should it become out of true. They are also valuable in truing up barrels of English lever watches, that are damaged owing to the breakage of a main spring. Thev are also very useful in holding almost any wheel in a watch, but particularlv convenient in fitting a center wheel to a pinion, or in making sure that ^V/- •^•^- the hole in the wheel is in the center. These chucks are made by the various lathe manufacturers and are all similar to Fig. 83, and will hold wheels from .^ to
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Keywords: ., bookcentury1800, bookdecade1890, bookidamericanwatc, bookyear1892
