Category:SIGTOT cipher machines in the National Cryptologic Museum

Media in category "SIGTOT cipher machines in the National Cryptologic Museum"

The following 3 files are in this category, out of 3 total.

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  Onetime paper tape device used with SIGTOT cipher system aboard President Roosevelt's Douglas C-54 airplane (the 'Sacred Cow') - National Cryptologic Museum - DSC07927.JPG 4,320 × 3,240; 4.64 MB
  
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  SIGTOT cipher one-time paper tape device 1.jpg 1,413 × 1,128; 1.27 MB
  
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  SIGTOT cipher one-time paper tape device 2.jpg 1,482 × 1,110; 1.49 MB