# mercury-arc valve

> Operation and description of the mercury-vapour rectifier

**Wikidata**: [Q972168](https://www.wikidata.org/wiki/Q972168)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mercury-arc_valve)  
**Source**: https://4ort.xyz/entity/mercury-arc-valve


## References

1. Freebase Data Dumps. 2013