Paper, 'On the reversal of the metallic lines as seen in overexposed photographs of spectra' by W N [Walter Noel] Hartley
Reference number: PP/2/11
Date: 1882
Description
Hartley writes: 'In preparing series of photographs of metallic elements when their spectra are obtained by the action of a condensed spark passed between metallic electrodes, I have been very careful to ascertain the exact period of exposure of the sensitive plate to the rays, which will bring out the most characteristic lines without the additional diffused rays of the air-spectrum; at the same time very delicate and feeble air-lines are adequately shown.'
Annotations in pencil and ink.
Subject: Chemistry
Received 19 May 1882. Read 15 June 1882.
A version of this paper was published in volume 34 of the Proceedings of the Royal Society as 'On the reversal of the metallic lines as seen in overexposed photographs of spectra'.
- Reference number
- PP/2/11
- Earliest possible date
- 1882
- Physical description
- Ink and graphite pencil on paper
- Page extent
- 3 pages
- Format
- Manuscript
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Citation
Walter Noel Hartley, Paper, 'On the reversal of the metallic lines as seen in overexposed photographs of spectra' by W N [Walter Noel] Hartley, 1882, PP/2/11, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/pp_2_11/paper-on-the-reversal-of-the-metallic-lines-as-seen-in-overexposed-photographs-of-spectra-by-w-n-walter-noel-hartley, accessed on 07 February 2026
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Related Publications
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II. On the reversal of the metallic lines as seen in overexposed photographs of spectra External link, opens in new tab.
Date: 31st December 1883
DOI: 10.1098/rspl.1882.0015
Related Records
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Paper, 'Researches on spectrum photography in relation to new methods of quantitative chemical analysis' by W N [Walter Noel] Hartley
Creator: Walter Noel Hartley Reference number: PP/2/10
Hierarchy
This item is part of:
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Scientific papers published in the Proceedings of the Royal Society volume 34, 1882-1883
1882-1883 Reference number: PP/2
Related Fellows
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Walter Noel Hartley
Author
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Proceedings Papers
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.
Dates: 1882 - 1894
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