Copy letter, from Sir John Herschel to James David Forbes, dated at Slough
Reference number: HS/25/6/1
Date: 3 March 1840
Description
Copy letter in John Herschel's hand. Outlines theory behind and method for preparing thermographic paper, which allows observers to determine 'what share each ray of the spectrum bears in producing the observed total effects.'
- Reference number
- HS/25/6/1
- Earliest possible date
- 3 March 1840
- Page extent
- 2 pages
- Format
- Manuscript
- Also available on Epsilon
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Citation
John Frederick William Herschel, Copy letter, from Sir John Herschel to James David Forbes, dated at Slough, 3 March 1840, HS/25/6/1, The Royal Society Archives, London, https://makingscience.royalsociety.org/items/hs_25_6_1/copy-letter-from-sir-john-herschel-to-james-david-forbes-dated-at-slough, accessed on 15 February 2025
Link to this record
https://makingscience.royalsociety.org/items/hs_25_6_1/copy-letter-from-sir-john-herschel-to-james-david-forbes-dated-at-slough
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Hierarchy
This item is part of:
-
Correspondence of Sir John Frederick William Herschel
1812-1870 Creator: Sir; John Frederick William Herschel Reference number: HS -
Correspondence of John Frederick William Herschel: volume 25 Copies of outgoing letters
1873-1875 Reference number: HS/25 -
Copy book of Sir John Herschel's outgoing correspondence, vol. 6, from 3 March 1840 to 27 September 1846
1873 Creator: John Frederick William Herschel , John Herschel Reference number: HS/25/6
Related Fellows
-
John Frederick William Herschel
Creator -
James David Forbes
Recipient
Map
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Herschel Letters
Dates: 1807-1875
This collection of nearly 10,900 letters, drafts, copies and notes is the largest repository of scientific correspondence from and to Sir John Herschel, leading figure of Victorian science.View collection