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From:
Charles Robert Darwin
To:
Alexander Burns Usborne
Date:
[c. 1–5 Sept 1835]
Source of text:
DAR 207: 14
Summary:

Memorandum of geological instructions to guide ABU during a voyage of [Constitucion] to survey the coast of Peru.

Contributor:
Darwin Correspondence Project
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From:
Sir John Herschel
To:
Thomas Maclear
Date:
1] September [1835
Source of text:
RS:HS 21.183
Summary:

Believes that TM is the first to see the return of Halley's Comet [see TM's 1835-9-1].

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[1 September 1835]
Source of text:
RS:HS 12.74
Summary:

Has been observing since 3 a.m. and his fingers are powerless with the cold. Observed a star group, which may be Halley's Comet. Comments on the working of his telescope. Has JH placed his 20-ft. telescope in position for the Blueberg Mountains?

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Susan Elizabeth Darwin
Date:
3 [Sept] 1835
Source of text:
DAR 223
Summary:

Living quietly on the ship and eating good food has been good for him. He longs for home. Peru is in a miserable state.

Contributor:
Darwin Correspondence Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[3 September 1835]
Source of text:
RS:HS 13.349
Summary:

Accepts JH's suggestion about using the offered money for publication costs [see JH's 1835-6-12]; is concerned about the telescope at Cambridge, as G. B. Airy has left for Greenwich; final comments on the comet's effects and the weather.

Contributor:
John Herschel Project
From:
Annarella Smyth
To:
Mary Somerville
Date:
4 Sep 1835
Source of text:
MSS 6 / 65, Dep. c. 372, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Mary Somerville
To:
Annarella Smyth
Date:
4 Sep 1835
Source of text:
Somerville College Library
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[6 September 1835]
Source of text:
RS:HS 12.75
Summary:

Sorry to hear he had such wretched weather for their jaunt. The violent winds overturned his 14-ft. reflector and split the tube. Has obtained a capital tent for the Cape. No news from England. Commences the solar observations tomorrow, if fine.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Wheatstone
Date:
[8 September 1835]
Source of text:
RS:HS 25.4.14 (C: RS:HS 25.11.1)
Summary:

Comments on CW's work on light and on the velocity of electricity. JH's ruminations lead him to the idea of motion pictures.

Contributor:
John Herschel Project
From:
William Rutter Dawes
To:
Sir John Herschel
Date:
[11 September 1835]
Source of text:
RS:HS 6.56
Summary:

Has been unable to do any observations owing to ill-health and lack of an observatory owing to change of residence. Sends his paper on double stars. Pleased to hear everything progresses at the Cape. Will be happy to hear from him.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
12] September [1835
Source of text:
RS:HS 12.218
Summary:

Received a newspaper from England, which gave news of a comet. A ship entered Table Bay in the night; she may be from England.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
13] September [1835
Source of text:
RS:HS 21.185
Summary:

Sends information about where to look for Encke's comet.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
13?] September [1835
Source of text:
RS:HS 12.216
Summary:

Is grateful for J. F. Encke's letter. JH's suggestion of the 14-ft. reflector was anticipated for Halley's Comet. Wishes that JH's aunt could visit the Cape.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
13?] September [1835
Source of text:
RS:HS 12.217
Summary:

Sending a copy of the memorandum he made of the first mirage he has ever seen. Describes various points. Much obliged for J. F. Encke's Ephemeris; his writing reminds TM of Isaac Newton.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Edward Joshua Cooper
Date:
16 September 1835
Source of text:
MM/9/43, Royal Society
Summary:

No summary available.

Contributor:
Royal Society
From:
Mario Gemmellaro
To:
Sir John Herschel
Date:
[18 September 1835]
Source of text:
RS:HS 8.101
Summary:

Has received the printed copy of JH's observations on nebulae from Naples. Hopes JH will return to England via Sicily.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[19 September 1835]
Source of text:
RGO 6.368.598 (drafts RS:HS 1.70 & 21.187)
Summary:

Congratulates GA on being honored by H. M. Government [GA was offered a knighthood, which he declined], and of being appointed Astronomer Royal, and further tells GA about some of JH's observations, and the instruments in use [letter finished 11 Oct.].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-9-20 or 21]
Source of text:
RS:HS 21.186
Summary:

Has not had any success in finding comets.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[20 September 1835]
Source of text:
RS:HS 12.76
Summary:

On the evening on which JH was at the Observatory, he believes he observed Encke's Comet; gives details. Searched this morning for Halley's Comet, without success. Rejoices to hear that G. B. Airy has been secured for the public service. No news from England.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
22] September [1835
Source of text:
RS:HS 21.190
Summary:

JH is chagrined to note that he forgot to observe the equinox, after having impressed on any and all the need to do so.

Contributor:
John Herschel Project