Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 70
s a hollow flat one, large enough to flt over thestaff and drive the arm down to the shoulder; 2 is a hollowround face, which flts closely and spreads the undercut; 3 isa flat face that rivets it down perfectly smooth. Pig. 1 shows, besides the millimeter gauge, a pivot gauge,which is a great help… … Fig. 9. its size on the pivot gauge, and turn our pivot to that size,allowing the gauge to hang lightly on the pivot. In making the back cuts or under cuts, it is necessaryto have the gravers perfectly sharp and touch the work vei-ylightly, as a trifle too much pressure will break off the deli-cate…
Clocks and watches
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