The arts in the middle ages, and at the period of the renaissance (1870)
Jacob, P. L., 1806-1884 · London, Bickers and son · leaf 282
century produced forty-two to fifty tones or semi-tones : one stringexpressed several notes, and this was effected by means of plates of metalwhich, serving as a movable bridge to each string, either increased ordiminished the intensity of its vibration. The grand-pianos of the presentday… … Fig. 186.—Organistrum. Ninth Century. (MS. de Saint-Blaise.) Italians ; these improvements soon had the effect of throwing the psalterioninto oblivion. In the ninth century a stringed instrument was in use the mechanismof which, although not very perfect, evidently tended to an imitation ofthe…
Art, Medieval · Art, Renaissance
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