| RefNo | MOB/040 |
| AltRefNo | 1932-462 |
| Previous numbers | Royal Society 50 |
| Level | Item |
| Title | Spectra apparatus by Joseph von Fraunhofer |
| Artist | von Fraunhofer, Joseph |
| Date | late 18th century |
| Description | Spectra apparatus, including a telescope, eyepieces, reflecting prisms and slides, and a mahogany carry case. For investigating the properties of coloured spectra and exhibiting the fixed lines therein. |
| Extent | 22 parts |
| ObjectName | Scientific Instrument |
| Materials | Wood, glass, metal |
| Notes | On loan to the Science Museum, early 20th century- 2019 |
| AccessStatus | Open |
| Provenance | Gifted to the Royal Society by Fraunhofer along with an explanation of the instrument (AP/2/5). |