Category:Collections of the Ridai Museum of Modern Science

Subcategories

This category has the following 7 subcategories, out of 7 total.

A

► Abaci in the Ridai Museum of Modern Science‎ (20 F)
► Adding machines in the Ridai Museum of Modern Science‎ (2 C)

C

► Calculating rods in the Ridai Museum of Modern Science‎ (4 F)
► Calculators in the Ridai Museum of Modern Science‎ (1 C, 1 F)
► Computers in the Ridai Museum of Modern Science‎ (8 F)

S

► Slide rules in the Ridai Museum of Modern Science‎ (14 F)

W

► Warazan in the Ridai Museum of Modern Science‎ (4 F)

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

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

Antler cribbage board - Ridai Museum of Modern Science, Tokyo - DSC07446.JPG 3,833 × 2,928; 5.23 MB
Brandt Automatic Cashier - Ridai Museum of Modern Science, Tokyo - DSC07558.JPG 5,139 × 3,502; 8.98 MB
Early record players - Ridai Museum of Modern Science, Tokyo - DSC07672.JPG 3,076 × 3,952; 6.39 MB
Edison phonograph - Ridai Museum of Modern Science, Tokyo - DSC07674.JPG 3,248 × 4,736; 7.02 MB
Tape recorders - Ridai Museum of Modern Science, Tokyo - DSC07673.JPG 5,472 × 1,764; 4.56 MB

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