Machinery and processes of the industrial arts, and apparatus of the exact sciences (1869)
Barnard, Frederick A. P. (Frederick Augustus Porter), 1809-1889 · Washington, Govt. print. off. · leaf 531
, an instrument designed to demon-strate visibly the presence of harmonic overtones in all musical notes.33 i A 514 PARIS UNIVERSAL EXPOSITION. This is composed of a series of resonators, eight in number, adapted toa series of tones beginning with. C°, or C below the treble clef, andembracing the… … Kcenigs Clang-Analyser. tion. A caoutchouc tube from the opposite extremity of each is con-ducted to a separate manometric chamber, having a gas jet attached.The gas jets are all arranged in a straight line, and parallel to them amirror (four mirrors, in fact, forming a quadrangular solid) is…
Machinery · Scientific apparatus and instruments
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