[Bubier], Edward Trevert, 1858- [from old catalog] · Lynn, Mass., Bubier pub. co. · leaf 267
nearly to the bottom of thelower cylinder. This cylinder is partly filled withsome liquid which will volatilize readily when re-lieved of pressure, and the whole (cylinders andtube) is exhausted of air, and hermetically sealed. RECENT APPLICATIONS. 265 It is then pivoted at some point on the tube… … Figure i. the tube, into the upper cylinder, when it immedi-ately overbalances the lower, and both rotate aboutthe pivot. Their rotation is sufficient to set inmotion the clockwork, and start the bell ringing. 266 ELECTRICITY AND ITS The device can, of course, be adapted to electricbells equally…
Electricity
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