# scale ruler

> Tool used for measuring at a fixed ratio

**Wikidata**: [Q1257896](https://www.wikidata.org/wiki/Q1257896)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Scale_ruler)  
**Source**: https://4ort.xyz/entity/scale-ruler


## References

1. Freebase Data Dumps. 2013