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jimfortress

136

Electric pen recorder, cardiograph or lie detector? from about 1900 made by Edinburgh instrument maker A H Baird

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Uploaded on May 13, 2012
Taken on January 2, 2011

136

Electric pen recorder, cardiograph or lie detector? from about 1900 made by Edinburgh instrument maker A H Baird

161 views
0 faves
0 comments
Uploaded on May 13, 2012
Taken on January 2, 2011
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