Paper, 'Physical properties of nickel steel' by J [John] Hopkinson
Reference number: PP/15/11
Date: 1890
Description
Hopkinson writes: 'Mr Riley of the Steel Company of Scotland has kindly sent me samples of wire drawn from the material concerning the magnetic properties of which I recently made a communication to the Royal Society [see PP/15/4]. As already stated, this material contains 25 per cent, of nickel and about 74 per cent, of iron, and over a range of temperature from something below freezing to 580º C. it can exist in two states, magnetic and non-magnetic. The wire as sent to me was magnetisable as tested by means of a magnet in the ordinary way. On heating it to a dull redness it became non-magnetisable whether it was cooled slowly or exceedingly rapidly by plunging it into water.'
Annotations in pencil and ink throughout.
Subject: Metallurgy
Received 16 January 1890. Read 23 January 1890.
A version of this paper was published in volume 47 of the Proceedings of the Royal Society as 'Physical properties of nickel steel'.
- Reference number
- PP/15/11
- Earliest possible date
- 1890
- Physical description
- Ink and graphite pencil on paper
- Page extent
- 3 pages
- Format
- Typescript
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Citation
John Hopkinson, Paper, 'Physical properties of nickel steel' by J [John] Hopkinson, 1890, PP/15/11, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/pp_15_11/paper-physical-properties-of-nickel-steel-by-j-john-hopkinson, accessed on 01 December 2024
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Related Publications
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II. Physical properties of nickel steel External link, opens in new tab.
Date: 31st December 1890
DOI: 10.1098/rspl.1889.0075
Related Records
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Paper, 'Magnetic properties of alloys of nickel and iron' by J [John] Hopkinson
Creator: John Hopkinson Reference number: PP/15/4
Hierarchy
This item is part of:
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Scientific papers published in the Proceedings of the Royal Society volume 47, 1889-1890
1889-1890 Reference number: PP/15
Related Fellows
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John Hopkinson
Author
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Proceedings Papers
Dates: 1882 - 1894
The archival collection known as 'Proceedings Papers' is comprised of manuscripts and occasional proofs of scientific papers sent to the Royal Society which were read before meetings of Fellows and printed in full in the Proceedings of the Royal Society.View collection