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Talbot, William Henry Fox in addressee 
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Herschel8838

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[25 March 1843]
Source of text:
Science Museum Talbt 1/35 (C: RS:HS 22.149)
Summary:

Comments on confusion between observing comet and zodiacal light. Extensive comments on various materials used in a photographic process where negatives change to positives over long time.

Contributor:
John Herschel Project

Herschel8839

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[31 March 1843]
Source of text:
Science Museum Talbt 1/36 (C: RS:HS 22.151)
Summary:

Zodiacal light is a real phenomenon. Further comments on negative to positive process. Questions whether WT can define one cometary orbit with two observations.

Contributor:
John Herschel Project
Text Online

WCP1792

From:
Alfred Russel Wallace
To:
William Henry Fox Talbot
Date:
21 April 1843
Source of text:
  • British Library, The: Talbot: Letters to W. H. F. Talbot (VEZ-WAT), Add MS 88942/2/143: 1821-1867
  • British Library, The: 29841
  • British Library, The: 29841
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
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