Category:Patents by Thomas Alva Edison
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This category has only the following subcategory.
Media in category "Patents by Thomas Alva Edison"
The following 23 files are in this category, out of 23 total.
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1255517 Starting and current supplying system for automobiles.png 2,320 × 3,408; 150 KB
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135531 Circuits for Chemical Telegraphs.png 958 × 471; 14 KB
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248565-Webermeter.png 1,663 × 1,588; 201 KB
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Drawing for a Kinetographic Camera - NARA - 595495 (page 1).jpg 844 × 1,200; 137 KB
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Drawing for a Phonograph - NARA - 595515.jpg 841 × 1,200; 99 KB
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Drawing of the patent "Method of Preparing Autographic Stencils of Printing".jpg 738 × 1,041; 110 KB
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Drawings from US Patent 180857 Autographic Printing..png 3,462 × 2,419; 358 KB
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Edisonfluorescent.jpeg 1,536 × 1,114; 168 KB
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Edisonsfirstpatent.png 398 × 659; 280 KB
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Light bulb Edison 2 (cropped).jpg 1,512 × 2,565; 2.36 MB
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Light bulb Edison 2.jpg 2,128 × 3,120; 3.39 MB
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Light bulb Edison 3.jpg 1,742 × 2,629; 2.5 MB
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Light bulb Edison.jpg 2,550 × 3,300; 3.42 MB
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Pat196747.png 377 × 477; 61 KB
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Pat465971.png 750 × 599; 15 KB
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T A Edison 1stPatent.jpg 500 × 456; 120 KB
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US970616-Figure 1.png 1,988 × 1,172; 41 KB
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US970616-Figure 2.png 1,980 × 1,564; 52 KB