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Airy, George Biddell in correspondent 
John Herschel Project in contributor 
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1840-1849::1848::02 in date 
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Showing 19 of 9 items

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 February 1848]
Source of text:
RS:HS 1.193 (C: RGO 6.230.443)
Summary:

Regarding spots on the sun and [T. J.?] Hussey and [A.?] Dawson's observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
1848-2
Source of text:
RS:HS 23.12
Summary:

JH comments on quality of Georg Merz object glasses.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 February 1848]
Source of text:
RGO 6.2.156
Summary:

Agrees that some of JH's suggestions about meteor showers were probably unnecessary [see GA's 1848-1-29].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 February 1848]
Source of text:
RGO 6.230.444
Summary:

Is aware of T. J. Hussey's drawings [see GA's 1848-2-1]; needs information about P. A. Hansen's lunar theory for an appreciation JH is to provide.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 February 1848]
Source of text:
RS:HS 1.194 (C: RGO 6.230.221)
Summary:

Concerning P. A. Hansen's observations of Lunar irregularities.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[17 February 1848]
Source of text:
RS:HS 1.195 (C: RGO 6.9.192 & 6.368.691)
Summary:

Regarding the proposed eight-inch object glass. Supplementary estimate for the Admiralty. Extract of a letter from Otto Struve.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[24 February 1848]
Source of text:
RS:HS 1.196 (C: RGO 6.701.112)
Summary:

Regarding modifications for the actinometer. Has written to Georg Merz regarding the object-glass. Regarding the eight-inch object-glass. Name of the maker of his actinometer. [JH has written a rough draft of his reply to this letter on the same sheet.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[26 February 1848]
Source of text:
RGO 6.9.195
Summary:

Surprised by GA's unhappiness with George Merz [see GA's 1848-2-17]; suggests GA seek information from Thomas Maclear at the Cape, who is getting a new telescope from George Merz.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[27 February 1848]
Source of text:
RS:HS 1.197 (C: RGO 6.9.197)
Summary:

Georg Merz's practice regarding the sale of object-glasses. Is preparing a model of a transit circle.

Contributor:
John Herschel Project