![](https://coimages.sciencemuseumgroup.org.uk/375/636/large_thumbnail_1928_0920__0001_.jpg)
![Brass direct-vision spectroscope with adjustable split-jaw](https://coimages.sciencemuseumgroup.org.uk/387/72/medium_smg00085518.jpg)
Brass direct-vision spectroscope with adjustable split-jaw, by Negretti and Zambra, London, 1880-1899.
Details
- Category:
- Optics
- Object Number:
- 1984-555
- Materials:
- brass (copper, zinc alloy), cork and glass
- Measurements:
-
overall: 125 mm 27 mm, .145kg
- credit:
- Royal Astronomical Society