A group of observers and maintenance engineers adjusting the Yapp spectroscope
Photographic print.
Object Details
| ID: | REG18/000454.7 |
|---|---|
| Type: | Photographic print |
| Display location: | Not on display |
| Creator: | Ministry of Information |
| Date made: | circa 1945 |
| Credit: | © Crown copyright. National Maritime Museum, Greenwich, London |
| Measurements: | Overall 253 mm x 199 mm |