![](https://coimages.sciencemuseumgroup.org.uk/64/17/large_thumbnail_2014_0044__0003_.jpg)
White porcelain insulator for aerial lines
![SMG00078298](https://coimages.sciencemuseumgroup.org.uk/366/849/medium_smg00078298.jpg)
White porcelain insulator for aerial lines, one of four, unknown maker, Russia, 1820-1877
Details
- Category:
- Telecommunications
- Object Number:
- 1877-433/2
- type:
- insulator
- credit:
- Donated by the Russian Imperial Telegraph Office