![](https://coimages.sciencemuseumgroup.org.uk/425/877/large_thumbnail_1994_8783__0010_.jpg)
Telegraph block instrument
![Telegraph block instrument](https://coimages.sciencemuseumgroup.org.uk/534/191/small_thumbnail_smg00358065.jpg)
![Telegraph block instrument; MR](https://coimages.sciencemuseumgroup.org.uk/423/575/small_thumbnail_1964_330_145__0004_.jpg)
![Telegraph block instrument; MR](https://coimages.sciencemuseumgroup.org.uk/423/577/small_thumbnail_1964_330_145__0008_.jpg)
![Telegraph block instrument; MR](https://coimages.sciencemuseumgroup.org.uk/423/573/small_thumbnail_1964_330_145__0002_.jpg)
![Telegraph block instrument; MR](https://coimages.sciencemuseumgroup.org.uk/423/576/small_thumbnail_1964_330_145__0006_.jpg)
![Telegraph block instrument; MR](https://coimages.sciencemuseumgroup.org.uk/423/574/small_thumbnail_1964_330_145__0001_.jpg)
Telegraph block instrument; MR. Short-cased (top half of pegging instrument?) non-pegging 1-needle absolute 3-position/indication.
Details
- Category:
- Signalling & Telecommunications
- Object Number:
- 1964-330/145
- credit:
- Tyer and Company Limited