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 20
ore than 1 quart (1-056)U. S. standard. INTRODUCTION 6. The unit of time is the second. It is ^5^-5^ of themean time from noon to noon. The instrument by whichtime is measured is the clock, which is a machine for keep-ing a pendulum in motion, and for counting its vibrations.The pendulum is of such… … Fig. 3. metronome (Fig. 3). This consists of a short pendulumdriven by clockwork. The rate of the pendulum is adjust-able by means of the sliding weight w, between 40 vibra-tions and 208 vibrations a minute. At each beat it ticksloudly. The. metronome is used chiefly by students ofmusic, but it is…
Physics
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
