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Airy, George Biddell in addressee 
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From:
Sir John Herschel
To:
George Biddell Airy
Date:
[18 July 1843]
Source of text:
RGO 6.193.203
Summary:

Finds GA's measurements of Gamma Virginis far away from JH's own, and instructs GA in the best way to measure double star positions.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[16 August 1843]
Source of text:
RS:HS 25.6.17
Summary:

Has received a request from the Admiralty to order a new telescope for the Cape observatory; at the same time, JH has received an unsolicited offer of a lens. JH seeks advice and information from GA.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1843-9]
Source of text:
RS:HS 1.333 (C: RS:HS 25.13.12)
Summary:

Regarding custody of the Standards.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[10 September 1843]
Source of text:
RGO 6.340.354
Summary:

Makes some suggestions about possible storage places for the United States' standards [see GA's 1843-9-9].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 September 1843]
Source of text:
RGO 6.701.106
Summary:

Gives formula for defining the measure of the scale of an actinometer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1843]-10
Source of text:
TxU:H/L-0013.2; Reel 1054
Summary:

Recommends buying optics for 7.5-inch telescope from Metz and Mahlers in Munich and having those mounted in London.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[13 October 1843]
Source of text:
TxU:H/L-0013.1; Reel 1054
Summary:

Urges doubling number of lunar observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 October 1843]
Source of text:
RGO 6.8.72
Summary:

Would support improvements, both in number and quality, of lunar observations at the Royal Observatory; current practices produce unacceptably large predictive errors.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
7] November [1843
Source of text:
RGO 6.368.669
Summary:

Will try to attend meeting called by GA, although JH is plagued by rheumatism; comments on the periods of Saturn's satellites.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[19 March 1844]
Source of text:
RGO 6.92.125 (C: RGO 6.92.124 inc)
Summary:

Has not heard from Thomas Maclear [see GA's 1844-3-12]; has the Cape equatorial object glass been dealt with?

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[19 March 1844]
Source of text:
RGO 6.193.55
Summary:

Comments on the large number of stars identified in one square degree of sky.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 May 1844]
Source of text:
RS:HS 22.196
Summary:

Whether a repulsive force from the sun affects the tails of comets and thus the constancy of their orbits.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 May 1844]
Source of text:
RGO 6.368.671
Summary:

Arrangements about attending a meeting, together with some thoughts on the behavior of comets.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[18 June 1844]
Source of text:
RS:HS 1.137 & 22.199
Summary:

Regarding object glasses for telescopes. Relative merits of Munich and French object glasses.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[22 July 1844]
Source of text:
RGO 6.675.354
Summary:

Will try to organize an international magnetic conference at the B.A.A.S. meeting in 1845, if GA agrees.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 August 1844]
Source of text:
RGO 6.368.673
Summary:

About a suggested magnetism conference, Francis Baily's illness, and some remarkable observations by F. W. Bessel.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 August 1844]
Source of text:
RGO 6.193.119
Summary:

Urges GA to print any of John Pond's and Nevil Maskelyne's observations that seem free from serious error [see GA's 1844-8-28].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[13 October 1844]
Source of text:
RGO 6.203.329
Summary:

Has been put (with GA and W. S. Stratford) on a B.A.A.S. committee to publish the J. J. L. Lalande and the N. L. Lacaille star catalogues [see GA's 1842-11-7]; sends draft request for a grant.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[15 October 1844]
Source of text:
TxU:H/L-0014; Reel 1054 (C: TxU:H/M-0646; Reel 1084)
Summary:

Nine conditions under which JH will accept and test instruments constructed for Cape [of Good Hope] observatory, including the assistance of Mr. Davies in evaluating these.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[28 October 1844]
Source of text:
RGO 6.229.193
Summary:

Seeks GA's help to provide information to complete the obituary notice for Francis Baily [see GA's 1844-9-23].

Contributor:
John Herschel Project