Scheibler,H. The physical and musical tone meter, which proves by the pendulum, visible to the eye, the absolute vibrations of the tones, the main types of combination tones, as well as the sharpest accuracy of equal temperament and mathematical chords. Essen, Bädeker 1834. with 5 on 3 lithographed plates. VIII, 80 pp. Mod. Cloth. First edition. - Rare work by the self-taught music theorist from Krefeld (1777-1837). With the invention of the "tone meter" (monochord) he succeeded, among other things, in precisely determining the concert pitch. - Foxing, le. Plates rubbed at bottom.

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