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From:
Sir John Herschel
To:
Sir William Huggins
Date:
[19 May 1870]
Source of text:
RS:HS 10.60
Summary:

Further report on a paper and drawing of [Francis] Abbot [very similar to WH's 1870-5-18].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Adolf Bernhard Meyer
Date:
[6 May 1870]
Source of text:
TxU:H/L-0260; Reel 1054
Summary:

Thanks for sending G. A. Erman's two papers on terrestrial magnetism and letter to JH. Will forward these to G. G. Stokes with recommendation that B.A.A.S. continue funding for reduction work of H. J. R. Petersen. Awaits AM's visit to Collingwood.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
6 May [1870]
Source of text:
TxU:H/L-0465; Reel 1055
Summary:

Forwards letter from G. A. Erman of Berlin requesting that B.A.A.S. fund [H. J. R.] Petersen's study of terrestrial magnetism.

Contributor:
John Herschel Project
From:
Adolf Bernhard Meyer
To:
Sir John Herschel
Date:
[4 May 1870]
Source of text:
TxU:H/M-0363; Reel 1087
Summary:

Forwards letter from G. A. Erman to JH and two papers by Erman. AM wants to visit JH to learn of prospects for Erman before AM leaves soon for zoological and magnetic observations in Malay Archipelago.

Contributor:
John Herschel Project
From:
Adolf Bernhard Meyer
To:
Sir John Herschel
Date:
[24 May 1870]
Source of text:
TxU:H/M-0364; Reel 1087
Summary:

Will visit JH on 27 May.

Contributor:
John Herschel Project
From:
Adolf Bernhard Meyer
To:
Sir John Herschel
Date:
[25 May 1870]
Source of text:
TxU:H/M-0365; Reel 1087
Summary:

Apologizes for delay in responding to JH. Wrote to JH yesterday about AM's plan to visit Collingwood.

Contributor:
John Herschel Project
From:
George Gabriel Stokes
To:
Sir John Herschel
Date:
[10 May 1870]
Source of text:
TxU:H/M-0507; Reel 1093
Summary:

Acknowledges receipt of letter and papers from G. A. Erman.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[6 May 1870]
Source of text:
Cambridge University Library 7656/H728
Summary:

Writes to support grant request from Georg Erman of Berlin to allow Erman to do calculations on magnetism observations from circumnavigation of world.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[12 May 1870]
Source of text:
RGO 695.462
Summary:

About a grant to support [H. J. R.] Petersen while he carries out the reduction of terrestrial magnetic observations.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[15 May 1870]
Source of text:
RGO 6.695.464
Summary:

Would support the application for a grant [see JH's 1870-5-12], but would like to see some changes in the way calculations are made.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[15 May 1870]
Source of text:
TxU:H/M-0645.2
Summary:

Refers to several items of correspondence, and then comments on the calculation of Gaussian earth-constants to a higher power than has been done to date.

Contributor:
John Herschel Project
From:
J. T. Raymond
To:
Sir John Herschel
Date:
[3 May 1870]
Source of text:
RS:HS 14.473
Summary:

Cannot afford fees he must pay to be ordained. Asks for financial assistance. Includes letters from a tutor and a professor.

Contributor:
John Herschel Project
From:
J. Ryle
To:
Sir John Herschel
Date:
[27 May 1870]
Source of text:
RS:HS 14.516
Summary:

Appreciates JH's opinion regarding variability of climate, although it disagrees with his own. His views are not provable and the question remains one of probability.

Contributor:
John Herschel Project
From:
J. Ryle
To:
Sir John Herschel
Date:
[1870-5-27 or after]
Source of text:
RS:HS 14.517
Summary:

[Richard?] Proctor [?] agrees with JR's views on Cosmical Climates. Re-presents his theory because he feels he did not state it fairly in his earlier [1870-5-27] letter.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[2 May 1870]
Source of text:
RS:HS 24.310
Summary:

Wants to compare Mr. Titterton's photographs of the spot groups to [Warren] de La Rue's. Has tried to determine if some localities regularly have spots.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[11 May 1870]
Source of text:
RS:HS 15.508
Summary:

Desires permission to present JH's 'diagram of "macularity"' to the R.A.S.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[12 May 1870]
Source of text:
RS:HS 24.313
Summary:

The research shows no particularly 'maculiferous' area on the sun, but WS may, as WS requested, present 'data' to the R.A.S. Has noticed two new spots on helioautographs on 20 and 27 April.

Contributor:
John Herschel Project
From:
Eyre B. Powell
To:
Sir John Herschel
Date:
[9 May 1870]
Source of text:
RS:HS 14.185
Summary:

Thanks JH for mention of him in Outlines Astr. Sends detailed observations of Alpha Centauri system.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Warren de La Rue
Date:
[5 May 1870]
Source of text:
RS:HS 24.311
Summary:

Thanks for the photographs WD sent for the dates requested in JH's 1870-4-23.

Contributor:
John Herschel Project
From:
Walter White
To:
Sir John Herschel
Date:
[3 May 1870]
Source of text:
RS:HS 18.233
Summary:

Sends report of Edward Sabine's 'conversaziones' of 12 Mar. and 23 Apr. Mrs. Birtwhistle wrote from Peking on 2 Feb.

Contributor:
John Herschel Project