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1860-1869::1863::07 in date 
Herschel, John in author 
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Herschel462

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 July 1863]
Source of text:
RGO 6.200.107
Summary:

Has spent much time on figures and annotations for JH's nebula catalogue [see GA's 1863-6-5]; JH needs information from a paper in GA's hands.

Contributor:
John Herschel Project

Herschel559

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 July 1863]
Source of text:
RGO 6.358.259
Summary:

Was surprised at the large vote in support of a parliamentary bill to abolish the British Standard of weights and measures; JH hopes bill will not pass.

Contributor:
John Herschel Project

Herschel889

From:
Sir John Herschel
To:
John Herschel (son)
Date:
[14 July 1863]
Source of text:
JHS 5.9
Summary:

Comments on zero and observational errors when using a telescope, and adds some comments about family relationships and JH's nebula catalogue. [Part of this letter is indecipherable.]

Contributor:
John Herschel Project

Herschel7156

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[17 July 1863]
Source of text:
RS:HS 6.365 & 24.18
Summary:

Agrees that the weather is hot. The word theodolite. Where did he obtain his verses by Walter Mapes? Why not come and visit them?

Contributor:
John Herschel Project

Herschel1958

From:
Sir John Herschel
To:
François N. M. Moigno
Date:
[18 July 1863]
Source of text:
DMC 695A.885.37
Summary:

Writes to FM to show several ways in which a series of prisms may be used in a spectroscope to have the light exiting in the same line as it entered the spectroscope. [Appends 4 pages of diagrams.]

Contributor:
John Herschel Project

SOMERVILLE317

From:
John Herschel
To:
Mary Somerville
Date:
30 Jul 1863
Source of text:
HS 16.369, RS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse

Herschel2678

From:
Sir John Herschel
To:
Mary Somerville
Date:
[30 July 1863]
Source of text:
RS:HS 16.369 (Draft: RS:HS 16:370)
Summary:

Is sending manuscript with comments. Congratulates her 'activity of mind.' Critiqued her paper according to the effect it will have when published. Working on catalogue of nebulae.

Contributor:
John Herschel Project
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