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Феликс
Feliks is a pinwheel, handcrank-operated mechanical calculator, built in the 1970s by Schetmash factory in Kursk, USSR.

Feliks was the most common mechanical calculator in the Soviet Union until the early 1980, mostly, due its low price, compared to electronic alternatives. The Felix series calculators, with minor modifications in the exterior design, were produced until the late 70s, in large quantities, peaking close to 300.000 pcs yearly in 1968.
Source: elektronika.su

The pinwheel mechanism of the Feliks calculators based on the famous Odhner's calculator, invented by Swedish engineer and entrepreneur, Willgodt Theophil Odhner, in 1890, working in St. Petersburg, Russia.

During the Soviet era this machine was in use at the Tarvastu forestry district office of the Viljandi Forestry Management unit (Viljandi Metsamajandi Tarvastu metskonna kontor) in Southern Estonia. There's a scratched owners name on the bottom - TARVASTU M/K. After the end of its service life, the machine was kept as a memorabilia by the former employee and found its way into my collection in 2026.

Registers: 9 x 8 x 13
Weight 3,7 kg.
Dimensions: 15,5 x 18 x 14 cm.

Year of manufacture: 1960s
Serial №: A080679
Manufacturer:
завод Счетмаш
Schetmash factory
Kursk, USSR
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