Text-book of general physics, for the use of colleges and scientific schools (1899)
Hastings, Charles Sheldon · Boston: Ginn & company · leaf 609
Fig. 406. of continuous variation, throughout a considerable length, bymeans of the slide SL. It is the only one of the wind instru-ments which possesses a perfect scale; its compass is fromabout E to bb. 538. Cornet. —The cornet (Fig. 407) is essentially atrumpet which has been modified by the… … Fig. 407. three slides through which the wind may be made to pass,by depressing the valves, or pistons, a, 6, c. The effectivelength of the tube isthus changed byamounts necessary toflatten the open tonesby one, two, or threesemitones. The pitchof the cornet may bealtered by changing thelength of…
Physics
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