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Main, Robert in correspondent 
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From:
Robert Main
To:
Sir John Herschel
Date:
[23 July 1844]
Source of text:
RGO 6.675.356
Summary:

As G. B. Airy is traveling in Ireland for his health, RM acknowledges receipt of JH's 1844-7-22, with a promise to deal with it as JH wishes.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[12 August 1846]
Source of text:
RGO 6.368.681
Summary:

Acknowledges, in G. B. Airy's absence, receipt of a letter from JH.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[4 August 1847]
Source of text:
RAS:JH Archive 10/5.18; Reel 9
Summary:

Received JH's Cape Results.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[5 April 1853]
Source of text:
RS:HS 12.276
Summary:

Wishes to apply for the vacancy that has occurred in the Superintendance of the Nautical Almanac, and would welcome JH's support.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[6 April 1859]
Source of text:
RS:HS 12.277
Summary:

Is a candidate for the position of Radcliffe Observer and would be pleased if JH would send a testimonial to the Radcliffe Trustees.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[21 October 1861]
Source of text:
RS:HS 12.278
Summary:

Is obliged for JH's letter acknowledging the receipt of the Radcliffe Catalogue; regrets the delay and will inquire into the cause. Has purchased R. C. Carrington's transit circle for the Radcliffe and would welcome JH's advice as to its employment.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[29 January 1863]
Source of text:
RS:HS 12.279
Summary:

Is pleased that the Government have put Sir Thomas Maclear on the Civil list. Has read JH's paper on atoms with much interest and amusement. Hopes that JH will call at the Observatory when in Oxford. Finds the R. C. Carrington transit circle a valuable instrument. Comments on his observations.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[21 September 1868]
Source of text:
RS:HS 12.280
Summary:

Comments on double star observations and some papers on the subject.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[30 September 1868]
Source of text:
RS:HS 12.281
Summary:

About the location of several different sets of double star observations.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[1 October 1868]
Source of text:
RS:HS 12.282
Summary:

Comments on the quality of some of the double star observations in print.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[28 November 1868]
Source of text:
RAS:JH Archive 14/3.17; Reel 11
Summary:

Notes strengths and weakness of heliometer for observing double stars. Calls it 'laborious, troublesome instrument.'

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[26 January 1869]
Source of text:
RS:HS 12.283
Summary:

Offers to send on to JH any notices of double star observations that he receives.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[29 August 1870]
Source of text:
RS:HS 12.284
Summary:

Asks JH if he wants to make any changes in his article on meteorology for a new edition of the Admiralty Manual.

Contributor:
John Herschel Project
From:
Robert Main
To:
Sir John Herschel
Date:
[2 September 1870]
Source of text:
RS:HS 12.285
Summary:

Sends some remeasured double star positions from the Radcliffe Observatory, together with comments about other double star observations.

Contributor:
John Herschel Project