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This paper contains some of the results and a description of the methods employed in a series of experiments on the rate of change of an electric current, immediately after the application or reversal of a constant electromotive force, in a circuit containing the magnetizing coil of a large electromagnet or the primary coil of a transformer.

Includes 14 graphs of experimental results, two pages of diagrams of experimental apparatus, and one photographic print of experimental apparatus.

Subject: Physics / Chemistry

Received 6 April 1894. Read 24 May 1894. Communicated by Lord Kelvin.

A version of this paper was published in volume 184 of Philosophical Transactions as 'On the measurement of the magnetic properties of iron'.

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Earliest possible date
Physical description
Ink and graphite pencil on paper
Page extent
122 pages

Creator name

Thomas Gray

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Thomas Gray, Paper, 'On the measurement of magnetic properties of iron' by Thomas Gray, 1894, AP/70/9, The Royal Society Archives, London,, accessed on 29 May 2024

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    Dates: 1768-1989

    The 'Archived Papers' collection is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

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