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Airy, George Biddell in correspondent 
John Herschel Project in contributor 
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1840-1849::1849 in date 
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Herschel4826

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 March 1849]
Source of text:
RS:HS 1.215 (C: RGO 6.160.77)
Summary:

Regarding the 'chilled' casting of a telescope.

Contributor:
John Herschel Project

Herschel12

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 March 1849]
Source of text:
RGO 6.160.78
Summary:

Tells GA about the internal counterpoise system in use in some German telescope mountings, and includes a diagram; JH knows nothing about chilling speculum metal [see GA's 1849-3-7].

Contributor:
John Herschel Project

Herschel137

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[28 March 1849]
Source of text:
RGO 6.694.248
Summary:

Asks JH's opinion about GA's plan not to print a separate volume of magnetic and meteorological observations for 1848.

Contributor:
John Herschel Project

Herschel138

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1849]
Source of text:
RGO 6.694.250
Summary:

Some concerns about GA's intent of attaching magnetic and meteorological observations to the R.A.S.'s Astronomical Observations [see GA's 1849-3-28].

Contributor:
John Herschel Project

Herschel335

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1849]
Source of text:
RGO 6.465.26
Summary:

Asks GA if he knows of any rules or pitfalls in calculating time from earlier times [even B.C.] to the present.

Contributor:
John Herschel Project

Herschel139

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1849]
Source of text:
RGO 6.694.251
Summary:

Will reconsider the proposal about printing observations [see JH's 1849-3-29], and get back to JH.

Contributor:
John Herschel Project

Herschel336

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1849]
Source of text:
RGO 6.465.27
Summary:

Has little advice to offer JH about time calculation [see JH's 1849-3-29], except for fairly standard reminders.

Contributor:
John Herschel Project

Herschel343

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 April 1849]
Source of text:
RGO 6.231.395
Summary:

Glad to hear that Margaret Louisa [JH's daughter] is coming to visit GA's family; could JH send along the key to the R.A.S. strong box?

Contributor:
John Herschel Project

Herschel344

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5] April 1849
Source of text:
RGO 6.231.396
Summary:

Responds to GA's 1849-4-4, and sends the key.

Contributor:
John Herschel Project

Herschel44

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 April 1849]
Source of text:
RGO 6.371.106
Summary:

Some responses to the question of copyright and of revision of articles prepared for the Encyclopaedia Metropolitana.

Contributor:
John Herschel Project

Herschel345

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 April 1849]
Source of text:
RGO 6.231.176
Summary:

Is making a case for JH's priority claims with regard to the means of determining double star orbits, in conflict with Yvon Villarceau.

Contributor:
John Herschel Project

Herschel346

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[11 April 1849]
Source of text:
RGO 6.231.178
Summary:

A note about forwarding papers related to the double star question [see JH's 1849-4-9].

Contributor:
John Herschel Project

Herschel4827

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[17 April 1849]
Source of text:
RS:HS 1.216 (C: RGO 6.231.180
Summary:

Returning papers of Yvon Villarceau and an abstract of them, together with comments on them.

Contributor:
John Herschel Project

Herschel347

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[19 April 1849]
Source of text:
RGO 6.231.181
Summary:

Extended comments about some of GA's statements in GA's abstract of Yvon Villarceau's papers on double stars [see GA's 1849-4-11].

Contributor:
John Herschel Project

Herschel45

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 May 1849]
Source of text:
RGO 6.371.108
Summary:

A note of thanks for a copy of JH's Outlines Astr.

Contributor:
John Herschel Project

Herschel306

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 June 1849]
Source of text:
RGO 6.57.149
Summary:

Is passing on a request for a copy of JH's Cape Results from C. L. Littrow of Vienna.

Contributor:
John Herschel Project

Herschel307

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 June 1849]
Source of text:
RGO 6.57.151
Summary:

A number of copies of the Cape Results were sent out, including one to Charles Ludwig Littrow [see GA's 1849-6-22]; JH will now try to trace the books whereabouts.

Contributor:
John Herschel Project

Herschel4828

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 September 1849]
Source of text:
RS:HS 1.217 (C: RGO 6.248.130)
Summary:

Informing JH that they have been appointed members of a committee for proving a three foot reflector for the Cape Town Observatory.

Contributor:
John Herschel Project

Herschel90

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 October 1849]
Source of text:
RGO 6.142.149
Summary:

Is William Dawes equatorial telescope available for purchase?

Contributor:
John Herschel Project

Herschel91

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[24 October 1849]
Source of text:
RGO 6.142.149a
Summary:

JH's wife, Margaret, is writing to Mrs. Dawes and will ask about the telescope [see GA's 1849-10-23].

Contributor:
John Herschel Project
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