File:Roots Rotary Pressure Blowers Cover of Feb 28 1880 Scientific American.jpg
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Roots_Rotary_Pressure_Blowers_Cover_of_Feb_28_1880_Scientific_American.jpg (215 × 305 pixels, file size: 32 KB, MIME type: image/jpeg)
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current | 19:28, 1 April 2012 | ![]() | 215 × 305 (32 KB) | Chiswick Chap | Uploading a non-free file using File Upload Wizard |
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