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File:Britannica Free reed vibrator in Grenie's Organ Pipe.jpg

Britannica_Free_reed_vibrator_in_Grenie's_Organ_Pipe.jpg ‎(267 × 445 pixels, file size: 45 KB, MIME type: image/jpeg)

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Description
English: Drawing of an organ pipe fitted with a free reed vibrator.
Date published 1911
Source Encyclopædia Britannica, 11th ed., Vol. 11, p. 87
Author J. B. Blot
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

Caption:

Fig. 1. — Grenie's organ pipe fitted with free-reed vibrator.
A, Tuning wire.
D, Free reed.
R, Reed-box.
B,C, Feed pipe with conical foot.
T, Part of resonating pipe, the upper end with cap and vent hole being shown separately at the side.

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current14:03, 20 May 2009Thumbnail for version as of 14:03, 20 May 2009267 × 445 (45 KB)Bob Burkhardt (talk | contribs){{Information |Description={{en|1=Drawing of an organ pipe fitted with a free reed vibrator.}} |Source=Encyclopædia Britannica, 11th ed., Vol. 11, p. 87 |Author=J. B. Blot |Date=published 1911 |Permission={{PD-Britannica}} |other_versions= }} Caption:

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