The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 69
at of a pendulum.Times, for example, are measuredalong the line OY. The intervals2^12/3 ^32/5 y^v etc., correspond tothe single period of oscillation, whilethe intervals y^ y^, etc., mark thedouble or complete period.Lines like y^ m, y^ q, etc., drawn at right angles fromOY Ui the crest of the… … 48. The Tracing of a Sine Curve by Means of a Pendulum, — That the motion of a pendulum is in fact of the char-acter just described, may be shown as follows: A pendulum is mounted so as to swing transversely,above a plate of smoked glass (Fig. 39). The bob of thependulum must have a vertical hole,…
Physics
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