|Title||Unpublished paper, 'Researches into the identity of the existences or forces light, heat, electricity and magnetism, etc.' by John Goodman|
|Creator||Goodman; John (fl 1840-1851)|
|Date||5 March 1851|
|Description||Goodman describes the effects that were produced on a moderately sensitive galvanometer by exposure to the Sun’s rays, and which were observed by him during a period of four months, commencing on 14 November 1850. The instrument is described as consisting of 46 turns of covered copper wire, 1/25th of an inch in diameter. The helix is blackened with ink at its southern extremity, and has a single magnetised sewing needle suspended by about sixteen inches of silken fibre in its centre. |
Includes one figure in the text of the magnetic needle. Annotations in ink throughout.
Received 7 March 1851. Read June 19 1851. Communicated by Thomas Bell.
Written by Goodman in Manchester [England].
Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 6 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'Researches into the identity of the existences or forces, light, heat, electricity and magnetism'.
|Physical description||Ink on paper|
|Digital images||View item on Science in the Making|
|Access conditions||Not available to view, off site for conservation. Please refer to digital surrogate on Science in the Making.|
|Related material||DOI: 10.1098/rspl.1850.0037|
|Related records in the catalogue||RR/2/74|
Fellows associated with this archive
|NA7505||Bell; Thomas (1792 - 1880)||1792 - 1880|