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The Royal Society: Science in the Making

Supporting data, 'Table of colours for comparison with saliva tested with a solution of perchloride of iron' by Arthur Leared

Reference number: AP/51/6

Date: 1869

Description

A figure submitted alongside a paper which was published by Leared in volume 18 of the Proceedings of the Royal Society as 'On the presence of sulphocyanides in the blood and urine'. The figure shows four rectangles coloured in red ink, which is progressively diluted to indicate smaller quantities of sulpho-cyanide of potassium in the saliva.

A note reads 'Plate not published in Proc.'

Subject: Biology / Chemistry

Reference number
AP/51/6
Earliest possible date
1869
Physical description
Ink and graphite pencil on paper
Page extent
1 page
Format
Drawing

Creator name

Arthur Leared

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Citation

Arthur Leared, Supporting data, 'Table of colours for comparison with saliva tested with a solution of perchloride of iron' by Arthur Leared, 1869, AP/51/6, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/ap_51_6/supporting-data-table-of-colours-for-comparison-with-saliva-tested-with-a-solution-of-perchloride-of-iron-by-arthur-leared, accessed on 23 January 2026

Link to this record

https://makingscience.royalsociety.org/items/ap_51_6/supporting-data-table-of-colours-for-comparison-with-saliva-tested-with-a-solution-of-perchloride-of-iron-by-arthur-leared

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  • Archived Papers

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is comprised of original manuscript scientific papers and letters submitted to the Royal Society which remained unpublished or were abstracted in the journal 'Proceedings of the Royal Society' published from 1830 onwards.

    Dates: 1768 - 1989

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