Seismoscope

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“Seismoscope. a, heavy mass supported by loop at point near center of gravity; b, point on which upper side of loop rests; c, long needle projecting from upper side of loop; d, conducting-wire; e, binding-post; f, long arm of lever pivoted at k; g, point where end of lever rests on end of needle; h, mercury-cup.” -Whitney, 1911

Keywords

tool, machine, science, record, Earthquake, seismoscope, seismoscopic, seismometer, seismograph, time of quake

Galleries

Earthquakes

Source

William Dwight Whitney The Century Dictionary: An Encyclopedic Lexicon of the English Language (New York, NY: The Century Co., 1911)

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