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1840-1849 in date 
Airy, George Biddell in correspondent 
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Herschel4717

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[24 August 1842]
Source of text:
RS:HS 1.106 (C: RGO 6.368.655)
Summary:

Returning packet of papers on magnetism. Encloses copy of a letter he has sent to Edward Sabine. Has seen the recent eclipse of the sun.

Contributor:
John Herschel Project

Herschel107

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 August 1842]
Source of text:
RGO 6.675.329
Summary:

A note to accompany some letters being returned to GA.

Contributor:
John Herschel Project

Herschel176

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 August 1842]
Source of text:
RGO 6.693.110 (C: RGO 6.675.327; draft not in JH's hand RS:HS 1.107 & 22.132)
Summary:

Is organizing a committee to revise the instructions for observers at magnetic observatories; GA is on it.

Contributor:
John Herschel Project

Herschel4718

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[31 August 1842]
Source of text:
RS:HS 1.108 (C: RGO 6.675.330)
Summary:

Encloses copy of a letter written to Edward Sabine. Wants instruments of quicker vibration.

Contributor:
John Herschel Project

Herschel279

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1 September 1842]
Source of text:
RGO 6.112.75 (ACCS: RS:HS 25.6.11)
Summary:

About eclipse observations of 1842, together with JH's speculations about the existence of an atmosphere around the sun. Enclosed is an eclipse drawing by Francis Baily.

Contributor:
John Herschel Project

Herschel4719

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[16 September 1842]
Source of text:
RS:HS 1.109 (C: RGO 6.427.68)
Summary:

Asking JH for his views on Charles Babbage's calculating machine, so that he can pass on the information to the Chancellor of the Exchequer.

Contributor:
John Herschel Project

Herschel467

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 September 1842]
Source of text:
RGO 6.427.69
Summary:

Needs some clarification of GA's letter [see GA's 1842-9-16] before JH is ready to reply about the calculating engine.

Contributor:
John Herschel Project

Herschel4720

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[21 September 1842]
Source of text:
RS:HS 1.110 & 22.135
Summary:

Reply to GA's letter on Charles Babbage's calculating machine.

Contributor:
John Herschel Project

Herschel4721

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 September 1842]
Source of text:
RS:HS 1.111 (C: RGO 6.340.342)
Summary:

Robinsons (Devonshire St.) have offered their standard Troy pound, together with its history for £20-0-0. [JH has added notes from his reply regarding the present whereabouts of the various Troy pounds.]

Contributor:
John Herschel Project

Herschel4722

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 September 1842]
Source of text:
RS:HS 1.112 (C: RGO 6.427.71)
Summary:

Further remarks on his letter concerning Charles Babbage's calculating machine (see GA's 1842-9-16) in order to clarify JH's mind.

Contributor:
John Herschel Project

Herschel537

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 September 1842]
Source of text:
RGO 6.340.343
Summary:

Gives GA some accounting of standard weights in Britain, and feels that it would be worth acquiring Robinson estate weight [see GA's 1842-9-22].

Contributor:
John Herschel Project

Herschel4723

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[26 September 1842]
Source of text:
RS:HS 1.113 (C: RGO 6.427.72)
Summary:

Encloses the Chancellor of the Exchequer's letter concerning Charles Babbage's calculating machine.

Contributor:
John Herschel Project

Herschel4724

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[5 November 1842]
Source of text:
RS:HS 1.114 (C: RGO 6.368.656)
Summary:

Has arranged meeting to discuss N. L. Lacaille's observations. Sends a toy purchased in the streets of London.

Contributor:
John Herschel Project

Herschel324

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[7 November 1842]
Source of text:
RGO 6.203.315
Summary:

Unwilling to come to a meeting as JH anticipates the return of some of his children from the continent; seems considerable confusion as to who is to do what about star catalogues [see GA's 1841-7-27].

Contributor:
John Herschel Project

RS-MM-000831

From:
George Biddell Airy
To:
Royal Society
Date:
16 November 1842
Source of text:
MM/14/40, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

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

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

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

Herschel67

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[19 January 1843]
Source of text:
RGO 6.368.660
Summary:

Intends to accept offer [see GA's 1843-1-18]; JH questions the correctness of P. S. Laplace's theory of capillary action.

Contributor:
John Herschel Project
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