Hood, Grant · Kansas City, Mo. : Kansas City Jeweler and Optician · leaf 182
screws or weights. This acting thesame as a shorter pendulum, would cause the balance to vi-brate faster, and in the cold the rim would be thrown fromthe center, causing the balance to vibrate slower. When awatch runs fast in heat and slow in cold, it over compen-sates. In other words, the balance… … Fig. 9. by changing the position of the screws. By inspecting therim we find several holes that have no screws in them, andalso in many balances the holes are closer together near theend of the rim. This allows the screws to be moved a verysmall amount. In Fig. 10 we have a photograph of a modern…
Clocks and watches
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![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer02inte-398-219.webp)
