| Reference number | MOB/074 |
| Level | Item |
| Title | Reflecting prism |
| Date | 1928 |
| Description | Reflecting prism intended for use with a spectroheliograph, with wooden case. The case is labelled with Dymo-style embossed tape: ‘7 x 10 INCH PRISM BELONGING TO ROYAL SOCIETY EX EVERSHED’. |
| Extent | 1 instrument |
| Format | Scientific Instrument |
| Dimensions | h 205 x w 338 x d 210 mm [box] |
| Access status | Open |
| Provenance | The astronomer John Evershed FRS (1864-1956) commissioned this glass with the aid of a Royal Society grant from the Council Urgency Fund for the purpose of solar observation at his private observatory in Ewhurst, Surrey. The prism was transferred for use at the Royal Greenwich Observatory at Herstmonceaux Castle in 1953, then later returned to the Society. |
| URL description | Digital version available on The Royal Society Picture Library |
| URL | https://pictures.royalsociety.org/image-rs-11627 |
| https://pictures.royalsociety.org/image-rs-11628 |
Fellows associated with this archive
| Code | Name | Dates |
| NA1208 | Evershed; John (1864 - 1956) | 1864 - 1956 |