Record

AP - Archived Papers
- 23 - Archived papers: volume 23, scientific papers submitted the Royal Society unpublished or abstracted, 1838-1840
  - 34 - Unpublished paper, 'On the production of heat by voltaic electricity' by James Prescott Joule

RefNo	AP/23/34/1
Level	Item
Title	Unpublished manuscript, 'On the production of heat by voltaic electricity' by James Prescott Joule
Date	13 October 1840
Description	Joule investigates the cause of the different degrees of facility with which various kinds of metal, of different sizes, are heated by the passage of voltaic electricity. The apparatus he employs for this purpose consists of a coil of wire placed in a jar of water, of which the change of temperature was measured by a thermometer immersed in it, and a galvanometer, to indicate the quantity of electricity sent through the wire, which can be estimated by the quantity of water decomposed by that electricity. The conclusion he draws from the results of his experiments is that the calorific effects of equal quantities of transmitted electricity are proportional to the resistances opposed to its passage, regardless of the length, thickness, shape, or kind of metal which closes the circuit. He also concludes that that these effects are in the duplicate ratio of the quantities of transmitted electricity, and consequently also in the duplicate ratio of the velocity of transmission. He infers from his research that the heat produced by the combustion of zinc in oxygen is likewise the consequence of resistance to electric conduction. Includes one diagram in the text of experimental apparatus. Marked on back as 'Archives 11 March 1841 S H C [Samuel Hunter Christie]'. Annotations in pencil throughout. Subject: Physics / Electricity Received 16 October 1840. Read 17 December 1840. Communicated by P M [Peter Mark] Roget. Written by Joule at New Bailey Street, Salford, Manchester [England]. Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 4 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'On the production of heat by voltaic electricity'.
Extent	10p
Format	Manuscript
PhysicalDescription	Ink and graphite pencil on paper
AccessStatus	Open
RelatedMaterial	DOI: 10.1098/rspl.1837.0140

Fellows associated with this archive

Code	PersonName	Dates
NA7041	Joule; James Prescott (1818 - 1889); physicist	1818 - 1889
NA6616	Roget; Peter Mark (1779 - 1869); physician and philologist	1779 - 1869

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