File:PSM V14 D153 Cutaway view of the aerophone speaker cone.jpg

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Description Cutaway view of the aerophone speaker cone
Date between 1878 and 1879
date QS:P,+1878-00-00T00:00:00Z/8,P1319,+1878-00-00T00:00:00Z/9,P1326,+1879-00-00T00:00:00Z/9
Source Popular Science Monthly Volume 14
Author Unknown authorUnknown author
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current01:55, 27 January 2011Thumbnail for version as of 01:55, 27 January 20111,111 × 635 (82 KB)Ineuw (talk | contribs){{Information |Description = Cutaway view of the aerophone speaker cone |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_14.djvu/153 |Date = 1878-1879 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Cate
15:45, 5 August 2010Thumbnail for version as of 15:45, 5 August 20101,111 × 635 (83 KB)Ineuw (talk | contribs){{Information |Description = Cutaway view of the aerophone speaker cone |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_14.djvu/153 |Date = 1878-1879 |Author = Unknown |Permission = {{PD-old}} |other_versions = }} [[Cate

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