Electromechanical calculating machines from the 1960's
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Rotary calculators

Printing calculators
Friden 1217
Lagomarsino Totalia S4GT
Marchant 416-S
Monroe 570
Monroe 580
Monroe Mach 1.07
Monroe PC-1421
Olivetti Divisumma 26
Olivetti Logos 27-2
Olivetti Tetractys
Precisa 166
Victor 73-85-54
Victor 79-88-54
Victor 10-871
Walther Diwa 32

Mechanisms

Glossary

Other calculating devices

References and links

Acknowledgements

Wanted

 
Victor 10-871