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Herschel110

From:
Sir John Herschel
To:
Robert Main
Date:
[24 July 1844]
Source of text:
RGO 6.675.357
Summary:

Asks RM to forward letter [see JH's 1844-7-22] immediately to G. B. Airy.

Contributor:
John Herschel Project

DCP-LETT-2477A

From:
Charles Robert Darwin
To:
Robert Main
Date:
27 July [1859]
Source of text:
Royal Astronomical Society (MSS Radcliffe. E.1.200)
Summary:

Thanks RM for copies of CD’s article on geology in the Admiralty scientific manual [J. F. W. Herschel ed., A manual of scientific enquiry (1849)].

Contributor:
Darwin Correspondence Project

Herschel12135

From:
Sir John Herschel
To:
Robert Main
Date:
[17 October 1861]
Source of text:
RS:HS 23.342
Summary:

Thanks for the receipt of the Radcliffe catalogue of stars, but wishes observations had been equatorial rather than circumpolar.

Contributor:
John Herschel Project

Herschel12136

From:
Sir John Herschel
To:
Robert Main
Date:
[25 October 1861]
Source of text:
RS:HS 23.344
Summary:

Suggests an observational program for RM's newly purchased transit circle [see RM's 1861-10-21].

Contributor:
John Herschel Project

Herschel12138

From:
Sir John Herschel
To:
Robert Main
Date:
[19 September 1868]
Source of text:
RS:HS 24.227
Summary:

Thanks RM for the double star observations he has sent.

Contributor:
John Herschel Project

Herschel12139

From:
Sir John Herschel
To:
Robert Main
Date:
[29 September 1868]
Source of text:
RS:HS 24.229
Summary:

Sends RM a copy of Angelo Secchi's double star observations pointing to a very large number of calculation errors.

Contributor:
John Herschel Project

Herschel12140

From:
Sir John Herschel
To:
Robert Main
Date:
[24 November 1868]
Source of text:
RS:HS 24.240
Summary:

Seems to JH to be some systematic error in some of RM's observations; JH includes examples.

Contributor:
John Herschel Project

Herschel12141

From:
Sir John Herschel
To:
Robert Main
Date:
[30 January 1869]
Source of text:
RS:HS 24.248
Summary:

Thanks RM for his offer [see RM's 1869-1-26]; wishes astronomers would develop an accepted system of indicating the quality of observations.

Contributor:
John Herschel Project

DCP-LETT-7335

From:
Charles Robert Darwin
To:
Robert Main
Date:
6 Oct 1870
Source of text:
American Philosophical Society (Mss.B.D25.384)
Summary:

Regrets he is unable to correct his "little manual" ["Geology" in Manual of scientific enquiry (1849)]. Recommends that John Phillips revise it.

Contributor:
Darwin Correspondence Project

Herschel7764

From:
William Huggins
To:
Robert Main
Date:
[13 June 1871]
Source of text:
RAS:JH Archive 14/4.2.2; Reel 11
Summary:

Directs RM and Charles Pritchard to examine late JH's manuscript on history of double stars, sent to Radcliffe Observatory.

Contributor:
John Herschel Project
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