Soprano Recorder in B, ca. 1700, Netherlands, Dutch, Ebony, ivory, Height: 13 5/8 in. (34.6 cm), Aerophone-Whistle Flute-recorder, Thomas Coenraet Boekhout (Kampen 1666–1715 Amsterdam), Thomas Boekhout built recorders, flutes, oboes, and bassoons, and there even survives a (very early) clarinet from his workshop, but he was perhaps best regarded in his day for his bass recorders. The lowest pitch of this beautiful recorder is B', and it may be an example of a soprano in B' flat, also known as a fourth flute because it is pitched a fourth above the alto in F'.
Soprano Recorder in B, ca. 1700, Netherlands, Dutch, Ebony, ivory, Height: 13 5/8 in. (34.6 cm), Aerophone-Whistle Flute-recorder, Thomas Coenraet Boekhout (Kampen 1666–1715 Amsterdam), Thomas Boekhout built recorders, flutes, oboes, and bassoons, and there even survives a (very early) clarinet from his workshop, but he was perhaps best regarded in his day for his bass recorders. The lowest pitch of this beautiful recorder is B', and it may be an example of a soprano in B' flat, also known as a fourth flute because it is pitched a fourth above the alto in F'