Wikimedi'Òc

Precisa electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07551.JPG - Daderot

NCR 12 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07565.JPG - Daderot

Frontier TY105 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07567.JPG - Daderot

Ricoh 201 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07550.JPG - Daderot

Toho Unitrex electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07552.JPG - Daderot

Remington 61012-10 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07564.JPG - Daderot

Tostec Pico BC-10 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07553.JPG - Daderot

Tostec BC-403 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07559.JPG - Daderot

Tostec Pico BC-602 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07570.JPG - Daderot

Underwood Sundstrand electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07544.JPG - Daderot

Unitrex M-2 electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07554.JPG - Daderot

Victor Automatic Calculator electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07560.JPG - Daderot

Victor Automatic Calculator electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07561.JPG - Daderot

Victor Automatic Calculator electromechanical adding machine - Ridai Museum of Modern Science, Tokyo - DSC07562.JPG - Daderot

Burroughs J519 adding machine - Ridai Museum of Modern Science, Tokyo - DSC07578.JPG - Daderot

Monroe M111E116 adding machine - Ridai Museum of Modern Science, Tokyo - DSC07577.JPG - Daderot

Tiger Calculator E67-21 - Ridai Museum of Modern Science, Tokyo - DSC07613.JPG - Daderot