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DCP-LETT-6904

From:
Heinrich Ludwig Hermann (Hermann) Müller
To:
Charles Robert Darwin
Date:
22 Sept 1869
Source of text:
DAR 171: 294
Summary:

Thanks CD for the English edition of his brother’s book [Fritz Müller, Facts and arguments for Darwin (1869)]

and for CD’s memoir on orchids ["Fertilization of orchids", Collected papers 2: 138–56].

Contributor:
Darwin Correspondence Project

Herschel10694

From:
Sir John Herschel
To:
Sir William Huggins
Date:
[22 September 1869]
Source of text:
RS:HS 10.56 & 24.282
Summary:

Burn his [last] letter as he made a blunder in his geometry. Cannot imagine how he made the blunder. Gives new formulae for observing Mercury.

Contributor:
John Herschel Project

Herschel10693

From:
Sir William Huggins
To:
Sir John Herschel
Date:
[22 September 1869]
Source of text:
RS:HS 10.55
Summary:

Unable to make any observations at the moment as his observatory is being enlarged to receive his new large telescope. Thinks it would be a good idea to carry out observations on Mercury. Is not sorry to be able to rest his eyes from his trying spectrum experiments.

Contributor:
John Herschel Project
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