Category:1849 inventions
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Media in category "1849 inventions"
The following 6 files are in this category, out of 6 total.
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73753per.gif 400 × 245; 5 KB
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73753per.png 747 × 521; 25 KB
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Alleyorgan.jpg 685 × 569; 63 KB
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Euharmonic organ keyboard section.png 363 × 483; 9 KB
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Safety pin patent 4.jpg 480 × 404; 22 KB
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Safety pin patent.jpg 283 × 124; 4 KB