![](https://coimages.sciencemuseumgroup.org.uk/519/997/large_thumbnail_1990_5036_5040__0001_.jpg)
Ross No. 7 Symmetrical Lens
- Made:
- 1885-1895 in United Kingdom
![Ross No. 7 Symmetrical Lens](https://coimages.sciencemuseumgroup.org.uk/478/875/medium_smg00249256.jpg)
Ross No. 7 symmetrical lens.
Details
- Category:
- Photographic Technology
- Object Number:
- Y2001.27
- Materials:
- brass (copper, zinc alloy) and glass
- Measurements:
-
overall: 40 mm x 55 mm x 42 mm,
- type:
- photographic lens