Category:Alvah Leigh Powell
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American inventor  | |||||
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| Date of birth | 10 April 1863 Vicksburg | ||||
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| Date of death | 7 October 1924 | ||||
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Media in category "Alvah Leigh Powell"
The following 8 files are in this category, out of 8 total.
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Animation for US1663261 with 36 Frames.gif 300 × 596; 857 KB
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Animation for US1663261 with 72 Frames.gif 640 × 968; 1.44 MB
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Animation for US1663261.gif 375 × 800; 313 KB
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Knickpleuelmotor Blueprint.gif 515 × 941; 457 KB
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Knickpleuelmotor-Animation-Video.webm 24 s, 640 × 968; 2.41 MB
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Portrait of Alvah Powell in 1922.jpg 278 × 368; 29 KB
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US1663261-0.png 1,619 × 2,560; 87 KB
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US1663261-drawings-page-2.png 2,799 × 1,740; 105 KB
