The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . back of pivot. Use cast iron lap first,ders, and round corners for conical.) (Square corners for square shoul-Lap for conical shoulder can bereadily cornered with a fine file,and cross-grind with fine oilstone to remove any lines madeby graver. Lines on end can beremoved same way, or in fingersrubbed on piece of ground glasswhich has on it a paste of oilstone and oil well mixed. This will rapidly bring them up to a sharp corner nicer than Fig. 230. by the graver. On the iron laps use No.


The American watchmaker and jeweler; an encyclopedia for the horologist, jeweler, gold and silversmith .. . back of pivot. Use cast iron lap first,ders, and round corners for conical.) (Square corners for square shoul-Lap for conical shoulder can bereadily cornered with a fine file,and cross-grind with fine oilstone to remove any lines madeby graver. Lines on end can beremoved same way, or in fingersrubbed on piece of ground glasswhich has on it a paste of oilstone and oil well mixed. This will rapidly bring them up to a sharp corner nicer than Fig. 230. by the graver. On the iron laps use No. I crocus or very fine oil stone powder, well ground down in oil to a paste. When roughed out to your liking, wipe off the crocus, and with a little oil touch the pivot gently; repeat the second time. Then. Pivot Polisher. 272 change lap for one of box-wood, and use crocus No. 4, verv fine andground down to paste. Proceed as with first lap, being careful at alltimes to keep the lap properly oiled and not pressed too hard against


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Keywords: ., bookcentury1800, bookdecade1890, bookidamericanwatc, bookyear1892