Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 583
y small point observedthrough the microscope while this fork is sounding willconsequently appear drawn out into a line. In order tomake the vibrations of the fork continuous, the prongs arearranged between the poles of an electromagnet so that theyautomatically interrupt the current about the… … STAXLAEL PITCH. 573 of mercury, observed by the aid of the vibration microscope.wilL when both forks are set vibrating, appear to describethe Lissajous figures, by which the interval between theforks may be obtained with greater precision than is attain-able with the ear. 511. Standard Pitch. — The…
Physics
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