| Reference number | L&P/3/156 |
| Level | File |
| Title | Paper, 'Experiments to prove that the violet colour in the spectrum is casual and only a faint red' by unknown author [English translation] |
| Date | 20 March 1756 |
| Description | Contains plate.
Subject: Physics
Read 29 April 1756 |
| Extent | 14p |
| Format | Manuscript |
| Physical description | Ink on paper and plate |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related records in the catalogue | L&P/3/156/1 |
| L&P/3/156/2 |
| L&P/3/158 |