Record

PP - Proceedings Papers
- 23 - Scientific papers published in the Proceedings of the Royal Society volume 55, 1894

RefNo	PP/23/2
Previous numbers	PP/55/3
Level	Item
Title	Paper, 'Appendix to a communication entitled "The mechanical equivalent of heat"' by Ernest Howard Griffiths
Date	1893
Description	Griffiths writes: 'In a communication which I had the honour of making to the Royal Society in the spring of this year, the following statement occurs (p. 420):—“We are (with the help of Mr. Callendar) now entering on a careful direct comparison of thermometer E(m) with a new form of air thermometer, which, there is every reason to believe, will give very accurate results, but we are unable to assign any definite limit to the time that this investigation may take.” A great number of comparisons have been made during the summer of this year by Mr. Callendar and myself between the mercury thermometer E(m) used by me for determining the temperature of the calorimeter, the Tonnelot thermometer, No. 11,048, described in the above paper (pp. 426—433), the platinum thermometer N, by which the mercury thermometer E(m) had been previously standardised, and two air thermometers constructed by Hicks under Mr. Callendar’s direction.' Annotations in pencil and ink. Subject: Physics Received 7 December 1893. Read 11 December 1893. A version of this paper was published in volume 55 of the Proceedings of the Royal Society as 'Appendix to a communication entitled "The mechanical equivalent of heat"'.
Extent	5p
Format	Manuscript
PhysicalDescription	Ink and graphite pencil on paper
Digital images	View item on Science in the Making
AccessStatus	Open
RelatedMaterial	DOI: 10.1098/rspl.1894.0006

Fellows associated with this archive

Code	PersonName	Dates
NA5101	Griffiths; Ernest Howard (1851 - 1932)	1851 - 1932

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