Category:Abaci in the Ridai Museum of Modern Science

Media in category "Abaci in the Ridai Museum of Modern Science"

The following 20 files are in this category, out of 20 total.

• 
  Abacus - Ridai Museum of Modern Science, Tokyo - DSC07461.JPG 5,024 × 2,022; 4.22 MB
  
• 
  Abacus - Ridai Museum of Modern Science, Tokyo - DSC07462.JPG 3,633 × 2,573; 4.76 MB
  
• 
  Abacus - Ridai Museum of Modern Science, Tokyo - DSC07463.JPG 5,152 × 2,688; 6.7 MB
  
• 
  Abacus - Ridai Museum of Modern Science, Tokyo - DSC07464.JPG 4,508 × 1,880; 4.03 MB
  
• 
  Abacus - Ridai Museum of Modern Science, Tokyo - DSC07466.JPG 5,370 × 2,657; 7.11 MB
  
• 
  Abacus - Ridai Museum of Modern Science, Tokyo - DSC07467.JPG 5,214 × 1,755; 4.57 MB
  
• 
  Abacus display - Ridai Museum of Modern Science, Tokyo - DSC07443.JPG 5,315 × 2,922; 5.52 MB
  
• 
  Abacus in ink box, Japan - Ridai Museum of Modern Science, Tokyo - DSC07473.JPG 3,595 × 4,592; 9.23 MB
  
• 
  Abacus in tin box - Ridai Museum of Modern Science, Tokyo - DSC07474.JPG 3,189 × 3,253; 5.45 MB
  
• 
  Abacus, China - Ridai Museum of Modern Science, Tokyo - DSC07457.JPG 4,939 × 2,413; 5.15 MB
  
• 
  Abacus, China - Ridai Museum of Modern Science, Tokyo - DSC07458.JPG 5,317 × 2,328; 5.24 MB
  
• 
  Abacus, China - Ridai Museum of Modern Science, Tokyo - DSC07459.JPG 5,201 × 2,475; 6.15 MB
  
• 
  Abacus, Japan - Ridai Museum of Modern Science, Tokyo - DSC07469.JPG 5,041 × 1,173; 3.2 MB
  
• 
  Abacus, Japan - Ridai Museum of Modern Science, Tokyo - DSC07470.JPG 5,472 × 929; 3.18 MB
  
• 
  Abacus, Japan - Ridai Museum of Modern Science, Tokyo - DSC07471.JPG 5,117 × 2,600; 7.29 MB
  
• 
  Flexible abacus, Japan - Ridai Museum of Modern Science, Tokyo - DSC07478.JPG 3,302 × 3,840; 6.58 MB
  
• 
  Pearl abacus, Japan - Ridai Museum of Modern Science, Tokyo - DSC07476.JPG 5,472 × 3,648; 11.28 MB
  
• 
  Sharp calculators with abaci, Japan - Ridai Museum of Modern Science, Tokyo - DSC07477.JPG 4,528 × 3,595; 7.59 MB
  
• 
  Soft abacus, Japan - Ridai Museum of Modern Science, Tokyo - DSC07475.JPG 5,241 × 3,403; 10.5 MB
  
• 
  Taijitu abacus - Ridai Museum of Modern Science, Tokyo - DSC07465.JPG 5,401 × 2,813; 7.53 MB