Early Instruments
Flutes with Keys.
from left to right:
Fig. 1.—Hotteterre's Flute, 1707.
Fig. 2.—Quantz' Flute, 1726.
Fig. 3.—Tromlitz' Five-Keyed Flute, c. 1803.
Fig. 4.—Eight-Keyed Flute, c. 1806, with the Names of the Alleged Inventors of the Various Keys, ect.
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