Search: Airy, George Biddell in correspondent 
1840-1849::1843 in date 
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Herschel10434

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

Herschel1074

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

Herschel11633

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

Herschel135

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[18 March 1843]
Source of text:
RGO 6.92.173
Summary:

Tells GA about a new comet becoming visible.

Contributor:
John Herschel Project

Herschel14692

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[29 June 1843]
Source of text:
TxU:H/M-0659; Reel 1084
Summary:

Agenda items for next meeting of 'Committee for Superintending the Construction of Standards.' Compares English, French, Danish, and Prussian standards.

Contributor:
John Herschel Project

Herschel154

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

Herschel1749

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[9 March 1843]
Source of text:
TxU:H/M-0629.1 (C: RGO 6.340.346)
Summary:

A new committee on standards is to be created to oversee the preparation and measuring of appropriate standard measures; seeks JH's opinion about asking Francis Baily and W. H. Miller to do the accurate weighing and measuring.

Contributor:
John Herschel Project

Herschel1750

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[29 June 1843]
Source of text:
TxU:H/M-0629.2
Summary:

A notice of meeting of the Standards Committee.

Contributor:
John Herschel Project

Herschel1751

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[13 July 1843]
Source of text:
TxU:H/M-0629.4 (C: RGO 6.368.667)
Summary:

Provides JH with the measurements from a series of observations of Gamma Virginis.

Contributor:
John Herschel Project

Herschel1752

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 August 1843]
Source of text:
TxU:H/M-0629.5
Summary:

Provides JH with information and advice about large lenses, which JH is considering for a Cape of Good Hope Observatory equatorial telescope.

Contributor:
John Herschel Project

Herschel1753

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[12 September 1843]
Source of text:
TxU:H/M-0629.6
Summary:

Describes some available glass discs, which might do for making lenses for a large refracting telescope [see GA's 1843-8-30].

Contributor:
John Herschel Project

Herschel1754

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 November 1843]
Source of text:
TxU:H/M-0629.7
Summary:

A notice of meeting of the Standards Committee, together with an indication of business to be conducted at that meeting.

Contributor:
John Herschel Project

Herschel337

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 January 1843]
Source of text:
RGO 6.462.37
Summary:

Needs a good artisan to construct the framework of a solar spectrum photographic apparatus.

Contributor:
John Herschel Project

Herschel340

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

Herschel341

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 November 1843]
Source of text:
RGO 6.8.87
Summary:

Changes the date of a Board of Visitors' meeting and urges JH to be there.

Contributor:
John Herschel Project

Herschel407

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

Herschel4725

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[9 January 1843]
Source of text:
RS:HS 1.115 (C: RGO 6.368.657 & LACC: RGO 6.503.244)
Summary:

Sending copy of GA's 'Tides and Waves' for Encyclopaedia Metropolitana; would be glad of JH's comments. Also encloses his eclipse paper.

Contributor:
John Herschel Project

Herschel4726

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[10 January 1843]
Source of text:
RS:HS 1.116 (C: RGO 6.462.39)
Summary:

Answer to one of JH's on 9 January [apparently on equatorial telescopes].

Contributor:
John Herschel Project

Herschel4727

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[18 January 1843]
Source of text:
RS:HS 1.117 (C: RGO 6.368.659)
Summary:

Regarding William Cubitt (Engineer of the Dover Railway) and the proposed blasting down of the cliffs between Dover and Folkestone.

Contributor:
John Herschel Project

Herschel4728

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 January 1843]
Source of text:
RS:HS 1.118
Summary:

Further news of his proposed visit to Dover to see the blasting of the cliffs?

Contributor:
John Herschel Project
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