The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . t which little seems to be known. Victor Mahillon*describes such an instrument, but ascribes the invention to Kolbel;there was but one key placed on the bell, which on being openedhad the effect of raising the pitch of the instrument a whole alternately using the harmonic open notes on the lengthof the tube, and then by the action of the key shortening the aircolumn, the following diatonic scale was obtained in the thirdoctave: key key key key 8 Methode de premier el de second cor
The encyclopædia britannica; a dictionary of arts, sciences, literature and general information . t which little seems to be known. Victor Mahillon*describes such an instrument, but ascribes the invention to Kolbel;there was but one key placed on the bell, which on being openedhad the effect of raising the pitch of the instrument a whole alternately using the harmonic open notes on the lengthof the tube, and then by the action of the key shortening the aircolumn, the following diatonic scale was obtained in the thirdoctave: key key key key 8 Methode de premier el de second cor (Paris, c. 1807). The passagein question was discovered and courteously communicated by HofratP. E. Richter of the Royal Library, Dresden. There is no copy ofDomnichs work in the British Museum. • See William Tansur Senior, op. et loc. cit. See AUgemeine musikalische Zeitung (Leipzig), Nov. 1802, p-158, and Jan. 1803, p. 245; and E. Hanslick, Geschichie des Con-certwesens in Wien (Vienna, 1869), p. 119. • See Allgem. mus. Zlg., 1815, p. 844. • Le Cor, pp. 34-3S. 2a 7o6 HORNBEAM^HORNBILL. In 1812 Dikhuth, horn-player in the orchestra of the ^rand-dukeof Baden at Mannheim, constructed a horn in which a slide on the principle of that of the trom-bone was intended to replacehand-stopping and to lowerthe pilch at will a semitone. The most felicitous, far-reaching and important of allimprovements was the inven-tion of valves (), pistonsor cylinders (the principle ofwhich has already been ex-plained), by Heinrich Stolzel,who applied them first of allto the horn, the trumpetand the trombone, thusendowing the brass wind witha chromatic compass obtained?with perfect ease throughoutthe compass. The Inherentdefect of valve instrumentsalready explained, whichcauses faulty intonation need-ing correction when the pis-tons are used in combination,has now been practicallyovercome. The numerousFig. 8.—Modern Horn (BooseyS Co.) attempts to solve the diffi-culty, made with \arying suc
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectencyclo, bookyear1910
