Category:Marchant calculators in the Ridai Museum of Modern Science

Media in category "Marchant calculators in the Ridai Museum of Modern Science"

The following 5 files are in this category, out of 5 total.

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  Marchant ACR8D calculator - Ridai Museum of Modern Science, Tokyo - DSC07581.JPG 3,448 × 3,939; 6.16 MB
  
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  Marchant calculator, 1911 - Ridai Museum of Modern Science, Tokyo - DSC07597.JPG 5,383 × 3,261; 8.51 MB
  
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  Marchant EFA calculator - Ridai Museum of Modern Science, Tokyo - DSC07584.JPG 3,595 × 3,979; 6.9 MB
  
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  Marchant TR calculator - Ridai Museum of Modern Science, Tokyo - DSC07585.JPG 3,891 × 3,373; 6.27 MB
  
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  Marchant XLA calculator - Ridai Museum of Modern Science, Tokyo - DSC07583.JPG 3,980 × 3,159; 5.05 MB