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File:PSM V06 D709 Sound transmission effects instrument.jpg

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Description Sound transmission effects instrument
Date between 1874 and 1875
date QS:P,+1874-00-00T00:00:00Z/8,P1319,+1874-00-00T00:00:00Z/9,P1326,+1875-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 6
Author Unknown authorUnknown author
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current03:42, 2 July 2010Thumbnail for version as of 03:42, 2 July 20102,293 × 1,504 (618 KB)Ineuw{{Information |Description = Sound transmission effects instrument |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_6.djvu/709 |Date = 1874-1875 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} {{GFDL-user-

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