A laboratory course in experimental physics (1896)
Loudon, W. J. (William James), McLennan, John Cunningham, joint author · New York and London, Macmillan and Co. · leaf 134
manner that it regulates it through the escapement justas a pendulum would ; but it receives at each oscillation a smallimpulse which enables it to keep up a steady vibration. THE CLOCK FORK. 119 The two branches of the fork carry sliding weights attachedto micrometer screws so that the period of… … Fig. 20. ner as the optical comparator of Lissajous. A thermometerplaced between the prongs of the fork gives the temperature. The instrument gives perfect results when properly regulated,and enables one to observe the effects of temperature on theperiod of vibration of a tuning fork by using an…
Physics
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