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Herschel11332

From:
Joseph Johann Littrow
To:
Sir John Herschel
Date:
[3 January 1823]
Source of text:
RS:HS 11.240
Summary:

Has requested the government to forward payment for the clock. Regarding variations in the observations of F. W. Bessel, John Pond, etc. Has high opinion of Bessel's work. Has been sending books for Thomas Catton, but he never replies. How is Greenwich Observatory heated? Some observatories have troubles with dampness. Recommends book by K. W. Feuerbach.

Contributor:
John Herschel Project

Herschel8086

From:
Thomas Young
To:
Sir John Herschel
Date:
3 January [1823]
Source of text:
RS:HS 18.352
Summary:

Sends papers for R.A.S. and A. J. Fresnel's papers. Modifies analogy of infinite pipes to clarify TY's hypothesis of three principal colors. Charles Babbage sent survey of Mont Cenis. Can JH find its barometrical observations?

Contributor:
John Herschel Project
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