Category:B-21 (cipher machine)
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Cipher machine B-21 by Boris Hagelin
Media in category "B-21 (cipher machine)"
The following 6 files are in this category, out of 6 total.
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B-21 a.jpg 3,264 × 2,448; 320 KB
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B-21 b.jpg 3,264 × 2,448; 368 KB
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B-21 c.jpg 1,600 × 1,600; 437 KB
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Prototype B-21.jpg 661 × 525; 41 KB
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Schematic diagram of the internal structure.gif 360 × 480; 5 KB
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Techical scheme B-21 cipher machine.jpg 590 × 604; 85 KB
