Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 227
which has a decided advantagein oiling. This may be more clearly seen in Fig. II at a. Wehave a flat cap jewel and a flat balance jewel. These jewelsshould never touch each other, but should be so set thattheir surfaces leave a small space between them. It will beseen by the shaded portion the… … Fig. IV. will bring the oil to the pivot; in the second case, the oilat the end of the pivot is replaced with fresh oil by capillaryattraction as rapidly as used, and the oil will continue to bebrought to the pivot as long as any remains between thejewels. Fig. Ill is a photograph of a modern…
Clocks and watches
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten20unit-995-452.webp)
