Old calculators: desk mechanical & electronic; british hand-held british sterling currency #sd calculators; comptometers; photographs showing the old technology including early integrated circuits and delay line memories; collector showing pictures of collection from many years of collecting.

Museum of Soviet calculators. Displays handheld and desktop calculators from the 1900s to the present, showing interesting features of each.

Mechanical Calculating Machines - This site by by Erez Kaplan, is all about mechanical calculating machines. It includes chronological description, classification and pictorial view (dozens of photographs), books, organizations and much more. ...

Computissimo - Musee de l'Histoire de l'Informatique - vous ouvre ses portes ! Venez visiter les collections de micro-ordinateurs, IBM, calculatrices electroniques et mecaniques, consoles de jeux, microprocesseurs et toutes sortes de supports de donnees.