Search: John Herschel in collection 
Airy, George Biddell in correspondent 
1840-1849::1845 in date 
No in transcription-available 
Sorted by:

Showing 2140 of 64 items

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[29 September 1845]
Source of text:
TxU:H/M-0631.3
Summary:

Is anxious to know whether JH has used William Simms's object glass, and seeks JH's opinion.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 October 1845]
Source of text:
TxU:H/M-0631.4 (C: RGO 6.193.211)
Summary:

Provides JH with the latest Royal Observatory values for Gamma Virginis [see JH's 1845-9-30], and advises JH to change his method of measuring double stars.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[9 October 1845]
Source of text:
TxU:H/M-0631.5 (C: RGO 6.675.523)
Summary:

Still trying to solve the problem of jogging Robert Peel's memory [see JH's 1845-10-8].

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[14 October 1845]
Source of text:
TxU:H/M-0631.6
Summary:

Thanks JH for his report on William Simms's object glass trials [see GA's 1845-9-29], together with some other astronomical matters, including reference to a letter from F. W. Bessel.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[24 October 1845]
Source of text:
TxU:H/M-0631.7
Summary:

A note to accompany the return of a letter to JH.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[24 October 1845]
Source of text:
TxU:H/M-0631.8 (C: RGO 6.675.537)
Summary:

Has received a satisfactory response from the Admiralty [see JH's 1845-9-30].

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[28 October 1845]
Source of text:
TxU:H/M-0631.9
Summary:

Asks JH to write to George Merz for an object glass for a telescope for the Cape Observatory.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[2 November 1845]
Source of text:
TxU:H/M-0631.10
Summary:

Is writing about further arrangements about the telescope to go to the Cape Observatory; JH is negotiating with George Merz for it [see GA's 1845-10-28].

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 December 1845]
Source of text:
TxU:H/M-0631.11
Summary:

Has requested Admiralty funding for the proposed telescope [see GA's 1845-11-2]; GA does not like the mounting the telescope is to be given; has gathered, from Otto Struve, that it does not work well at Pulkowa Observatory.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 December 1845]
Source of text:
TxU:H/M-0631.12
Summary:

Is returning JH's report on William Simms's object glass [see GA's 1845-10-14]; GA reiterates Otto Struve's statement about the mounting at Pulkowa Observatory [see GA's 1845-12-1].

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 December 1845]
Source of text:
TxU:H/M-0631.13
Summary:

The Admiralty has approved the purchase of the telescope for the Cape Observatory [see GA's 1845-12-1].

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[27 December 1845]
Source of text:
TxU:H/M-0631.14
Summary:

A note of instructions about paying for the Cape telescope [see GA's 1845-12-20].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[15 April 1845]
Source of text:
RGO 6.245.569
Summary:

Seeks GA's assistance in solving a puzzle in the mathematics of rotating bodies.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
1845-4-4 or later
Source of text:
RGO 6.463.325
Summary:

Provides the best values available for dispersion and separation, which will allow GA to calculate what he needs [see GA's 1845-4-4].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 December 1845]
Source of text:
RGO 6.193.234
Summary:

Is skeptical of the American observations [see GA's 1845-12-8], and reports other observations communicated to JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 September 1845]
Source of text:
RGO 6.193.210
Summary:

Asks for new observational data on Gamma Virginis [see JH's 1843-7-18].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 October 1845]
Source of text:
RGO 6.193.212 (C: RS:HS 25.13.6)
Summary:

Believes GA's measurements [see GA's 1845-10-1] seriously in error, and strenuously defends JH's method.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[31 December 1845]
Source of text:
RGO 6.193.217
Summary:

Will consider GA's objections [see GA's 1845-12-27] when JH works further on double star orbits.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 April 1845]
Source of text:
RS:HS 1.146 (C: RGO 6.675.387)
Summary:

Regarding magnetic establishments and observations.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 April 1845]
Source of text:
RS:HS 1.147 (C: RGO 6.463.324)
Summary:

Wants information on dispersion/separation of light in plate or crown glass.

Contributor:
John Herschel Project