Search: Herschel, John in author 
John Herschel Project in contributor 
Herschel, John in correspondent 
1840-1849::1846 in date 
letter in document-type 
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Showing 2140 of 120 items

From:
Sir John Herschel
To:
Unidentified
Date:
[1 June 1846]
Source of text:
TxU:H/L-0646; Reel 1089
Summary:

JH's opinions about disruptive effect of tremors on observatory if proposed railway tunnel is built under Greenwich Park. Proposes method for adjusting train schedule to reduce interference with observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Moxon
Date:
[26 December 1846]
Source of text:
APS B.C831
Summary:

Indicates that JH is unaware of any such constellation as that to which CM has referred.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Mr. M.
Date:
[16 April 1846]
Source of text:
APS B.H435p.13
Summary:

Compliments of JH and his wife.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[18 May 1846]
Source of text:
BL Aaa 32303.279
Summary:

Urges a visit to Collingwood by CB. Refers to the development of a cypher.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles William Pasley
Date:
[24 August 1846]
Source of text:
BL Aaa 41964.271
Summary:

The chemist C. F. Schönbein has invented a form of 'explosive cotton' and is looking for an opportunity to demonstrate it. JH is asking CP to help arrange matters.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[22 October 1846]
Source of text:
RGO 6.676.451
Summary:

There is a need for a meeting of the Committee of Physics [R.S.L.] to discuss the current method of making temperature corrections for magnetic observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 November 1846]
Source of text:
RGO 6.676.459
Summary:

A committee meeting is being called [see JH's 1846-10-22].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Robert Hunt?]
Date:
[10 February 1846]
Source of text:
WT 68037.7
Summary:

Cannot provide any specimens of photography or the spectrum good enough for an exhibition, as most have faded. A French chemist just announced as a discovery a fact long since known by JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[D. François J. Arago]
Date:
[27 December 1846]
Source of text:
WT 67390.3
Summary:

Is very pleased about FA's biography of JH's father, William. JH comments on what pictures of William Herschel might be available to be included in this biography.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Unidentified
Date:
[30 August 1846]
Source of text:
DMC 695A.885.19
Summary:

Thanks [?] for the honor of having her book on astronomy dedicated to JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
1846-[3-18 or later]
Source of text:
TxU:H/L-0591.3; Reel 1058
Summary:

A collection of birthday greetings from JH, his wife, Margaret, and seven of their children, six of whom wrote their greetings in German. JH refers to Biela's Comet having thrown off a portion of itself, producing what JH calls a 'Double Comet.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 April 1846]
Source of text:
RGO 6.401.193
Summary:

A note to arrange a meeting to discuss the propriety of continuing the Kew Observatory.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Edward Sabine
Date:
[8 July 1846]
Source of text:
RS:HS 15.194 (C: RS:HS 22.275)
Summary:

[Charles] Lyell, [Roderick] Murchison, and JH will speak at B.A.A.S. [T. R.] Robinson should be notified that he will not need to speak at the meeting. Sees few advantages to combining all existing scientific societies into one.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[27 December 1846]
Source of text:
RS:HS 22.293
Summary:

Thanks WS for the description of the Pulkowa Observatory. Remarks on the discovery of the new planet [Neptune], 'a most spirit stirring event.' Questions whether a small distant satellite of Jupiter could have escaped detection.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[12 April 1846]
Source of text:
Académie belgique: #23 (C: Académie belgique: #24)
Summary:

Looks to reap fruits of observations. AQ's treatise on atmospheric waves has not arrived. R.S.L. has refused to 'receive and retain works communicated through them.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Roderick Impey Murchison
Date:
[1846-4-26 or earlie
Source of text:
EUL:Gen523/4/44
Summary:

Suggests dates for upcoming B.A.A.S. meeting that will allow time to get report on Kew Observatory and committee meeting.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
19] November [1846?
Source of text:
TCD 1493:374
Summary:

WH's theorems on ellipsoids are new to JH, but JH is unfamiliar with the field, so they may not actually be new. Wishes to master mathematics. Still working on Cape observations. Believes Neptune was almost an English discovery, and would have been well-named Minerva.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Roderick Impey Murchison
Date:
[10 March 1846]
Source of text:
EUL:Gen523/4/31
Summary:

Has unsuccessfully tried to get in touch with [Hugh] Falconer and Falconer's publisher about obtaining further government aid for Falconer's research. Hopes RM, JH's fellow B.A.A.S. committee member, can help.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Hugh?] Falconer
Date:
1846
Source of text:
EUL:Gen523/4/30
Summary:

Needs information on [H?]F's government aid, publication plans, costs, to be presented at upcoming B.A.A.S. committee meeting for obtaining further funds.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[18 November 1846]
Source of text:
RGO 6.203.344
Summary:

Proposes a plan for the distribution of printed copies of the star catalogues [see GA's 1845-7-25].

Contributor:
John Herschel Project