![](https://coimages.sciencemuseumgroup.org.uk/73/974/large_thumbnail_1923_0159__0002_.jpg)
High Tension Fuse (Hedges patent) consisting of tinfoil contained in a triangular mica case
- Made:
- 1885
![SMG00208257](https://coimages.sciencemuseumgroup.org.uk/443/405/medium_smg00208257.jpg)
High Tension Fuse (Hedges patent) consisting of tinfoil contained in a triangular mica case, with holder, 1885
High Tension Fuse (Hedges patent) consisting of tinfoil contained in a triangular mica case, with holder, 1885