File:Zworykin1931iconoscope.png
Size of this preview: 661 × 599 pixels. Other resolutions: 265 × 240 pixels | 530 × 480 pixels | 662 × 600 pixels | 847 × 768 pixels | 1,130 × 1,024 pixels | 1,529 × 1,386 pixels.
Original file (1,529 × 1,386 pixels, file size: 22 KB, MIME type: image/png)
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Date/Time | Dimensions | User | Comment | |
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current | 20:05, 28 March 2011 | 1,529 × 1,386 (22 KB) | Mikhail Ryazanov | Directly from USPTO original |
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