Reference number | AP/12/10 |
Level | File |
Title | Unpublished paper and letter, 'Description of a machine for perpetuating motion' by Joseph Hopkins |
Date | 17 November 1826 |
Description | Hopkins describes his design for a perpetual motion machine consisting of a wheel with a groove for a ball bearing, balanced on pivots and supported by pillars. Includes figures of the machine in the text. Followed by a letter from Hopkins to the John Frederick William Herschel.
Subject: Physics
Received by the Royal Society on 20 November 1826. |
Extent | 4p |
Format | Manuscript |
Physical description | Ink on paper |
Digital images | View item on Science in the Making |
Access status | Open |
Related records in the catalogue | AP/12/10/1 |
AP/12/10/2 |
AP/12/10/3 |
Fellows associated with this archive
Code | Name | Dates |
NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |