Search: Herschel, John in addressee 
1820-1829::1825::12 in date 
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Herschel7820

From:
William Wallace
To:
Sir John Herschel
Date:
[1 December 1825]
Source of text:
RS:HS 18.25
Summary:

Received volume on double stars by JH and James South. Followed JH's advice, ordered instruments from Germany. Asked Josef Fraunhofer to design transit instrument to fit pillars designed by Edward Troughton. Quotes Fraunhofer's response [in French] that pillars should be moved to accommodate his instrument. David Brewster anxious for JH to answer last letter.

Contributor:
John Herschel Project

Herschel5787

From:
David Brewster
To:
Sir John Herschel
Date:
[2 December 1825]
Source of text:
RS:HS 4.259
Summary:

Regarding corrections requested by JH in a printed article. Ill health and overwork applies to him also. Pleased to hear of the work of the Optical Glass Committee. Comments on this.

Contributor:
John Herschel Project

Herschel12549

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[3 December 1825]
Source of text:
RS:HS 13.419
Summary:

Is pleased that GP's memoir has finally arrived in London [see GP's 1825-11-19]. Indicates arrangements for paying for copies. Comments on GP's astronomical observations of the last several years, and on his method of making reductions.

Contributor:
John Herschel Project

Herschel8071

From:
Thomas Young
To:
Sir John Herschel
Date:
[11 December 1825]
Source of text:
RS:HS 18.337
Summary:

Suggests change in JH's table of refractions. Possible error in John Pond's reductions [illustration].

Contributor:
John Herschel Project

Herschel10251

From:
Frederick Griesbach
To:
Sir John Herschel
Date:
[19 December 1825]
Source of text:
RS:HS 9.137
Summary:

Is grateful for the present. Did not request the money as a gift.

Contributor:
John Herschel Project
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