harmonographn.
/hɑːˈmɒnəɡrɑːf//hɑːˈmɒnəɡraf/ An instrument for tracing curves representing sonorous vibrations.
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the world > matter > physics > science of sound > vibration > instrument for analysing vibration > [noun] > with visible output
phonautograph1859
phonoscope1868
time marker1869
phonograph1875
phoneidoscope1878
harmonograph1879
tonophant1895
vibrograph1904
1879 Jrnl. Sci. New Ser. 1 508 Mr. W. J. Wilson exhibited a new harmonograph and figures drawn by it.
1880 Athenæum 20 Nov. 679/1 Mr. Bosanquet..gave the mathematical theory of the curves drawn by the harmonograph.
This entry has not yet been fully updated (first published 1898; most recently modified version published online September 2018).
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