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1860-1869::1868 in date 
Herschel, John in author 
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Herschel9361

From:
Sir John Herschel
To:
Georg Adolph Erman
Date:
[1868 or later]
Source of text:
RS:HS 7.113
Summary:

Comments on the bad habits creeping into the language of the German Academies. Sends list of papers and also a transcript of GE's paper for the Astronomische Nachrichten.

Contributor:
John Herschel Project

Herschel8847

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[12 January 1868]
Source of text:
Science Museum Talbt 1/44
Summary:

Asks WT whether WT made a certain claim about the spectrum of strontium. Recounts observations of the strontium spectrum made by JH in 1822.

Contributor:
John Herschel Project

Herschel2042

From:
Sir John Herschel
To:
Eliza Susan Quincy
Date:
[13 January 1868]
Source of text:
RS:HS 14.285 (C: RS:HS 24.5)
Summary:

Received memoirs of [Josiah] Quincy. Has not had time to peruse the work in its entirety. Thanks EQ for the book.

Contributor:
John Herschel Project

Herschel4161

From:
Sir John Herschel
To:
Photographic News
Date:
[25 January 1868]
Source of text:
RS:HS 14.160
Summary:

Points out that [Joel?] Spiller's article, 'Hyposulphite of Ammonia for fixing,' is 'copied verbatim' from a work of JH's.

Contributor:
John Herschel Project

Herschel987

From:
Sir John Herschel
To:
John Herschel (son)
Date:
[26 January 1868]
Source of text:
JHS 6.50
Summary:

Has heard from Emma, son William's wife, that the solar eclipse will occur in the rainy season, and thus will not likely be visible [see JH's 1867-9-29]; JH is wondering if the equipment from the R.S.L. arrived safely.

Contributor:
John Herschel Project

Herschel8960

From:
Sir John Herschel
To:
Photographic News
Date:
[31 January 1868]
Source of text:
Photographic News, 12 (Jan. 31, 1868), 57
Summary:

Discusses the action of hyposulphite of ammonia on muriate of silver. Gives directions for preparing hyposulfite of silver.

Contributor:
John Herschel Project

Herschel2600

From:
Sir John Herschel
To:
William Selwyn
Date:
[21 February 1868]
Source of text:
RS:HS 24.212
Summary:

Discusses the sudden motion of some sunspots. Does not think planetary action is a very probable cause. Discusses upcoming conjunction of Venus and Jupiter.

Contributor:
John Herschel Project

Herschel6639

From:
Sir John Herschel
To:
Elizabeth Colling
Date:
[1 March 1868]
Source of text:
RS:HS 24.213
Summary:

Comments on the death of a number of friends, his own poor health, and how he spent the winter working through his double-star observations.

Contributor:
John Herschel Project

Herschel13503

From:
Sir John Herschel
To:
Frederic J.] [Jackson
Date:
[5 March 1868]
Source of text:
TxU:H/L-0738; Reel 1089
Summary:

Difficulty understanding notation used in [FJ]'s pamphlet on musical scales. JH's comments on [FJ]'s formulas and conclusions.

Contributor:
John Herschel Project

Herschel3324

From:
Sir John Herschel
To:
A. J. Simpson
Date:
[9 March 1868]
Source of text:
RS:HS 17.209
Summary:

Replies regretfully that other urgent financial demands prevent JH from helping to build another church in AS's parish. Already is helping with one such church.

Contributor:
John Herschel Project

Herschel4376

From:
Sir John Herschel
To:
H. Turberville
Date:
[17 March 1868]
Source of text:
RS:HS 17.378b (C: 24.214)
Summary:

Explains HT's problem with the defective telescope glass. Advises caution about entering optical glass manufacturing. Urges HT to take back his will from JH's possession and entrust it to the care of a legal advisor.

Contributor:
John Herschel Project

Herschel353

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1868]
Source of text:
RGO 6.16.5
Summary:

Suggests reducing the number of Greenwich astronomical observations printed, but not reducing the magnetic and meteorological observations.

Contributor:
John Herschel Project

Herschel12862

From:
Sir John Herschel
To:
Roderick Impey Murchison
Date:
[3 April 1868]
Source of text:
TxU:H/L-0271; Reel 1054
Summary:

In Dec. 1867, JH offered small theodolite to Pierce Butler for survey of Sinai peninsula, and agreed to serve as co-trustee of Sinai Survey Fund with Henry James. Heard nothing until news of Butler's death and announcement that F. W. Holland and George Williams would take leadership and that RM was involved. Renews JH's offer, but health prevents JH from attending meetings.

Contributor:
John Herschel Project

Herschel12670

From:
Sir John Herschel
To:
Alexander J. B. Hope
Date:
[6 April 1868]
Source of text:
TxU:H/L-0091; Reel 1054
Summary:

Opposes parliamentary bill to adopt French metric system. Explains weaknesses of system.

Contributor:
John Herschel Project

Herschel906

From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[17 April 1868]
Source of text:
JHS 5.26
Summary:

About arrangements for JH's return home, together with information about paying bills and the state of JH's finances.

Contributor:
John Herschel Project

Herschel7213

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[18 April 1868]
Source of text:
RS:HS 24.215
Summary:

Comments on a number of mathematical matters, on a book on positivism, and increased sunspot activity.

Contributor:
John Herschel Project

Herschel8568

From:
Sir John Herschel
To:
[Henry W.] Field[?]
Date:
[21 April 1868]
Source of text:
BostonPubLib Ms.196(1)
Summary:

Hopes HF and his wife can join the Herschels for lunch with [P. F.] Robertson at Collingwood. Gives information on transportation.

Contributor:
John Herschel Project

Herschel14076

From:
Sir John Herschel
To:
Unidentified
Date:
[24 April 1868]
Source of text:
TxU:H/M-0296.2; Reel 1087
Summary:

Relation of British imperial units of weight to their 'geometrical synonyms.'

Contributor:
John Herschel Project

Herschel14117

From:
Sir John Herschel
To:
Unidentified
Date:
[25 April 1868]
Source of text:
TxU:H/M-0341.2; Reel 1087
Summary:

Relation of imperial measures of capacity to their 'geometrical synonyms.'

Contributor:
John Herschel Project

Herschel8957

From:
Sir John Herschel
To:
the Manchester Literary and Philosophical Society
Date:
[28 April 1868]
Source of text:
Manchester Literary and Philosophical Society Proceedings, 7 (1868), 193
Summary:

Attempts to clear up a misstatement made before the Society by J. C. Dyer concerning JH's views in regard to optics, especially in relation to the luminiferous ether.

Contributor:
John Herschel Project
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