# rotor machine

> genre of electromechanical encryption devices, used widely from the 1920s to the 1970s

**Wikidata**: [Q1751757](https://www.wikidata.org/wiki/Q1751757)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Rotor_machine)  
**Source**: https://4ort.xyz/entity/rotor-machine


## References

1. Freebase Data Dumps. 2013