Search: Herschel, John in correspondent 
1840-1849::1842 in date 
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Herschel1546

From:
Sir John Herschel
To:
Thomas Makdougall Brisbane
Date:
[2 January 1842]
Source of text:
BL Aaa 32565.164 (draft: RS:HS 5.104 & C: 22.107)
Summary:

A strong letter on behalf of the provision of financial support for Professor [James David] Forbes, along with JH's personal statement of belief in the need to free distinguished scientists from teaching duties.

Contributor:
John Herschel Project

Herschel1639

From:
Richard Sheepshanks
To:
Sir John Herschel
Date:
1842 or later
Source of text:
RS:HS 16.125
Summary:

About some unfortunate private business, and difficulty with [Francesco] De Vico's star catalogue.

Contributor:
John Herschel Project

Herschel1664

From:
Alfred Smee
To:
Sir John Herschel
Date:
[3 January 1842]
Source of text:
RS:HS 16.150
Summary:

Thanks JH for a copy of a paper on prismatic study of the sun's rays, and for accompanying photographs.

Contributor:
John Herschel Project

Herschel1665

From:
Alfred Smee
To:
Sir John Herschel
Date:
[25 April 1842]
Source of text:
RS:HS 16.151
Summary:

Sends several samples of ferrocyanide JH had requested.

Contributor:
John Herschel Project

Herschel1666

From:
Alfred Smee
To:
Sir John Herschel
Date:
[10 May 1842]
Source of text:
RS:HS 16.152
Summary:

Has been trying to make other metallo-cyanides at JH's request, but without success.

Contributor:
John Herschel Project

Herschel1667

From:
Sir John Herschel
To:
Alfred Smee
Date:
[15 June 1842]
Source of text:
RS:HS 16.153
Summary:

On the basis of some compounds referred to by AS [see 1842-5-10], JH has now developed a new form of photography using gold as a stimulant; JH calls it the 'Argyrotype'.

Contributor:
John Herschel Project

Herschel1668

From:
Alfred Smee
To:
Sir John Herschel
Date:
[21 June 1842]
Source of text:
RS:HS 16.154
Summary:

Note accompanying a sample of iridium.

Contributor:
John Herschel Project

Herschel1669

From:
Alfred Smee
To:
Sir John Herschel
Date:
[31 August 1842]
Source of text:
RS:HS 16.155
Summary:

Note accompanying a work detailing the study of voltaic circuits.

Contributor:
John Herschel Project

Herschel1670

From:
Alfred Smee
To:
Sir John Herschel
Date:
[29 September 1842]
Source of text:
RS:HS 16.156
Summary:

Explains how AS first learned of various compound salts of iron from medical writings.

Contributor:
John Herschel Project

Herschel1671

From:
Alfred Smee
To:
Sir John Herschel
Date:
[17 November 1842]
Source of text:
RS:HS 16.157
Summary:

A note accompanying a sample of high quality ferrocyanide of [iron?].

Contributor:
John Herschel Project

Herschel1672

From:
Alfred Smee
To:
Sir John Herschel
Date:
[2 December 1842]
Source of text:
RS:HS 16.158
Summary:

About chemical solutions used in photography, and problems produced by impurities in photographic paper.

Contributor:
John Herschel Project

Herschel1673

From:
Alfred Smee
To:
Sir John Herschel
Date:
[22 December 1842]
Source of text:
RS:HS 16.159
Summary:

Thanks JH for a specimen of 'mercury type,' which AS describes as he examined it under a microscope.

Contributor:
John Herschel Project

Herschel170

From:
Sir John Herschel
To:
George Biddell Airy
Date:
1842-1-5 or later
Source of text:
RGO 6.693.101
Summary:

Has passed on GA's note to Edward Sabine; cannot write more because his hand shakes too much, having just made a snow-man for the children.

Contributor:
John Herschel Project

Herschel171

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[17 January 1842]
Source of text:
RGO 6.693.102
Summary:

Sends a letter from Humphrey Lloyd for GA's comments.

Contributor:
John Herschel Project

Herschel172

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[18 January 1842]
Source of text:
RGO 6.693.103
Summary:

Provides extensive comments, about GA's magnetic instruments and observations, in reply to Humphrey Lloyd's letter [see JH's 1842-1-17].

Contributor:
John Herschel Project

Herschel173

From:
Sir John Herschel
To:
George Biddell Airy
Date:
1842-1-18 or later
Source of text:
RGO 6.693.105
Summary:

Thanks GA for his comments [see GA's 1842-1-18]; hopes that GA would be willing to have such statements, and other similar statements, made public.

Contributor:
John Herschel Project

Herschel174

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 January 1842]
Source of text:
RGO 6.693.107
Summary:

Agrees to having GA's views made public [see JH's 1842-1-18 or later] as JH sees fit; comments on aurora and magnetic storm observations.

Contributor:
John Herschel Project

Herschel1747

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 January 1842]
Source of text:
TxU:H/M-0628.1 (C: RGO 6.340.340a)
Summary:

Another copy of the Report of the Standards Commission is being circulated [see GA's 1841-12-25] and needs JH's signature; J. E. Drinkwater is sending in a personal report complaining about the Commission's conservatism.

Contributor:
John Herschel Project

Herschel1748

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[13 May 1842]
Source of text:
TxU:H/M-0628.2 (C: RGO 6.368.654)
Summary:

Sends JH the current position of Gamma Virginis.

Contributor:
John Herschel Project

Herschel175

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[19 August 1842]
Source of text:
RGO 6.693.108
Summary:

Asks GA's opinion as to whether Ordinance observatories should make their magnetic observations on a 3-minute or 5-minute system.

Contributor:
John Herschel Project
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