# Tyer's Electric Train Tablet

> railway signalling system for single line railways

**Wikidata**: [Q18066178](https://www.wikidata.org/wiki/Q18066178)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tyer's_Electric_Train_Tablet)  
**Source**: https://4ort.xyz/entity/tyer-s-electric-train-tablet