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On the Air's Resistance to an Oscillating Body (its Influence on Time-Keepers)

Published online by Cambridge University Press:  15 September 2014

Edward Sang
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Extract

The influence of the air on the going of time-keepers has naturally been the subject of much discussion, particularly in reference to time-keepers used by astronomers. On pendulums the air acts in two ways :—by its buoyancy it lessens the downward tendency of the parts, and so lengthens the time of the oscillation; and it opposes resistance to the motion. On the chronometer balance, the latter action alone is felt; to this action we shall confine our remarks.

Type
Proceedings 1888-89
Information
Proceedings of the Royal Society of Edinburgh , Volume 16 , 1890 , pp. 181 - 187
Copyright
Copyright © Royal Society of Edinburgh 1889

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