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what is jewel?
A gemstone is a mineral, rock (such in the case of lapis lazuli), or petrified material that when cut or faceted and polished is collectible or ...
en.wikipedia.org/wiki/Jewels
Jewels is a 1968 album by Waylon Jennings on RCA Victor.
en.wikipedia.org/wiki/Jewels (album)
Synthetic sapphires or rubies that act as bearings for gears in a mechanical watch. The jewels reduce friction to make the watch more accurate and longer lasting.
www.wristwatchhut.com/glossary/
Instead of using a metal ball bearing in the works of a watch, a semi precious jewel (usually a ruby) is used instead. This insures that the ball bearing can not rust.
reviews.ebay.com.au/Dictionary-of-Costume-Jewelry_W0QQugidZ10000000000703742
The 3: ti-ratana (qv).
urbandharma.org/udharma2/dictionary/bd13.html
Jewels are inserted in, mainly watches, to reduce friction on the gear train. Until the 20th century, watch jewels were made of ruby, sapphire, aquamarine, garnet, and diamond. I have seen colourless jewels which might be quartz, or low grade (colourless) aquamarine. ...
www.clockswatches.com/papers/glossary.htm
Small, hard gemstones used in certain moving parts of some mechanical watches. They are used in sensitive parts of the machinery because they are smooth and very durable, helping the watch stay accurate and last longer.
www.goldsmiths.co.uk/information.asp
the division of time is made through a number of wheels, held by a central shaft, the arbor, which fits into a hole drilled into the upper and the lower plate. To reduce friction and wear, they are fitted into tiny doughnut-shaped "jewels", usually natural or man-made rubies / sapphires. ...
www.waltham.ch/cgi/waltham/glossary.asp
