Xaenorphica. A bow stringed instrument with a keyboard, in-vented in 1801 by C. L. Rollig of Vienna. The strings were set in vibration by violin bows, of which there were as many ai strings.
Xylohannonica. A keyboard instrument invented in 1810 by
J. A. Uthe. It was an improvement of the Xylosistroiy (j.v.)
constructed by the same inventor three years previously. Xylophone, Xylorganum. The same as Strohjiedel (g.v.). Xylosistron. An instrument invented in 1807 by j. A. Uthe. IK
tone was produced by the friction of wooden bars with rosined