![](https://coimages.sciencemuseumgroup.org.uk/375/636/large_thumbnail_1928_0920__0001_.jpg)
!['Monobloc' type glass erecting roof prism with cork padding](https://coimages.sciencemuseumgroup.org.uk/387/369/medium_smg00086662.jpg)
'Monobloc' type glass erecting roof prism with cork padding, unsigned, European, 1930-1950.
Details
- Category:
- Optics
- Object Number:
- 1955-334
- Measurements:
-
overall: 40 mm x 40 mm x 40 mm, Wt. 0.035kg
- type:
- roof prism and component - object
- credit:
- Banfield, Arthur Clive