Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 68
pivot and the back cut completewith the hub blocked out ready to grind and polish. Thewhole staff is now nicely ground and polished except the bal-ance shoulder. First we grind with oilstone powder and oil,being careful to always grind in a diagonal direction in orderthat we may get a perfectly… … Fig. 8. thick paste, as it will not polish until the oil becomes quitedry. The object of turning the staff to a long taper as shownin Fig. G is to allow us to grind and polish the hub pecfectlyflat, which could not be dene if we should block out the hubfirst, then the corners would be rounded,…
Clocks and watches
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