- Subject
- Optical instruments
- Item type
- Object
- Provenance
- Lent by the Royal Astronomical Society
- Object type
- Prism
- Inventory No
- 19491
- Accession Number
- 1967-298
Description
A high dispersion 60 degree hollow prism for holding ethyl cinnamate. Made, c.1927, by John Evershed F.R.S for use in his spectro heliograph.
