| RefNo | AP/11/9/1 |
| Level | Item |
| Title | Unpublished manuscript, 'On the construction and use of a magnetic balance' by William Snow Harris |
| Date | 29 May 1825 |
| Description | Harris writes about his design for a magnetic balance used to investigate the properties of natural and artificial magnets and to allow for a simple way of observing the action of one magnet upon another or upon a non-magnetic substance. Harris includes tables of data from his experiments with the magnetic balance.
A covering page includes an ink inscription reading 'JFHW [John Frederick William Herschel] (No. 77) Mr Harris on the Magnetic Balance' and below, in graphite in another hand, '1825 Archives - unpub / tear off blanks'. Corrections and deletions appear throughout in ink. On verso of page ten are calculations by Herschel testing the conditions of possibility of Harris' balance.
Subject: Scientific Instruments / Physics
Written by Harris in Plymouth [Devon, England]. |
| Extent | 28p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
| RelatedRecord | AP/11/9 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8346 | Harris; Sir; William Snow (1791 - 1867) | 1791 - 1867 |
| NA8238 | Herschel; Sir; John Frederick William (1792 - 1871); astronomer | 1792 - 1871 |