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DCP-LETT-563

From:
Charles Robert Darwin
To:
Leonard Jenyns; Leonard Blomefield
Date:
5 Apr [1840]
Source of text:
Bath Royal Literary and Scientific Institution
Summary:

Health is improved, but would do anything to get strong again. Is consulting his father; will return to London soon to see B. W. Hawkins.

Will send MS [of Fish, no. 2] to the printer, and be there when LJ comes.

Contributor:
Darwin Correspondence Project

DCP-LETT-564

From:
Charles Robert Darwin
To:
Emma Wedgwood; Emma Darwin
Date:
[5 Apr 1840]
Source of text:
DAR 210.8: 5
Summary:

An amusing description of his railway journey to Shrewsbury.

Contributor:
Darwin Correspondence Project
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DCP-LETT-565

From:
Benjamin Silliman, Sr
To:
Charles Robert Darwin
Date:
7 Apr 1840
Source of text:
DAR 204: 184
Summary:

Thanks CD for a copy of his Journal of researches which is "not second in interest and instruction to any work of the kind I have ever read".

Contributor:
Darwin Correspondence Project

RS-MM-000518

From:
Adolph Theodor Kupffer
To:
Edward Sabine
Date:
18/30 April 1840
Source of text:
MM/10/42, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001786

From:
Henry Tattam
To:
John Lee
Date:
8 April 1840
Source of text:
MM/25/6, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001788

From:
Henry Tattam
To:
John Lee
Date:
21 April 1840
Source of text:
MM/25/8, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

SOMERVILLE70

From:
David Brewster
To:
Mary Somerville
Date:
29 Apr 184?
Source of text:
MSB 11 / 359, Dep. c. 369, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse

Herschel10322

From:
Marshall Hall
To:
Sir John Herschel
Date:
[3 April 1840]
Source of text:
RS:HS 9.204
Summary:

Was not certain how to reply to his last obliging letter. Has resolved to write to Professor [J. P.?] Müller. Thought it right to inform JH of his plans.

Contributor:
John Herschel Project

Herschel10729

From:
Robert Hunt
To:
Sir John Herschel
Date:
[15 April 1840]
Source of text:
RS:HS 10.83
Summary:

Would like JH's account of his own method of fixing a photograph as noted in his memoir. Singular phenomenon of the Daguerreotype. Hopes to produce a photographic paper to equal the silver plate before the month has expired. Will let him know when his process is complete.

Contributor:
John Herschel Project

Herschel10730

From:
Sir John Herschel
To:
Robert Hunt
Date:
[19 April 1840]
Source of text:
RS:HS 22.49
Summary:

Exchanging further information on several aspects of the photographic process [see RH's 1840-4-15].

Contributor:
John Herschel Project

Herschel10731

From:
Robert Hunt
To:
Sir John Herschel
Date:
[23 April 1840]
Source of text:
RS:HS 10.84
Summary:

Is grateful for the handsome manner in which JH has acknowledged RH's work. Would be willing to prepare a memoir for the R.S.L. Does Louis Daguerre's patent affect RH's manufacture of photographic papers? Has not studied the bromnets so far, but has studied the effects of bromine on plates. Comments on his results.

Contributor:
John Herschel Project

Herschel1100

From:
Sir John Herschel
To:
Francis Baily
Date:
[1840-4]
Source of text:
RS:HS 25.8.65
Summary:

Indicates travel plans, including a visit to FB, with a side trip for business to Slough. JH comments on some astronomical observations he has received.

Contributor:
John Herschel Project

Herschel12212

From:
George Thomas Napier
To:
Sir John Herschel
Date:
[10 April 1840]
Source of text:
RS:HS 13.68
Summary:

Apologizes for his long silence. Outlines recent events at the Cape concerning Andries Stockenström, who has been replaced by J. Hare, and Major C. C. Michell, who has resigned. J. R. Innes has been all over the Colony and will shortly be coming to England. F. M. Eardley-Wilmot has dined with the Napiers.

Contributor:
John Herschel Project

Herschel12531

From:
Henry Piddington
To:
Sir John Herschel
Date:
[15 April 1840]
Source of text:
RS:HS 13.401
Summary:

Sends JH a pamphlet about meteorological observations in India.

Contributor:
John Herschel Project

Herschel1351

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[30 April 1840]
Source of text:
RS:HS 17.301
Summary:

Waxes lyrical about nature, and comments on a new 'positive' paper JH has sent. Refers to JH's move to Hawkhurst.

Contributor:
John Herschel Project

Herschel13527

From:
Sir John Herschel
To:
Unidentified
Date:
[1840- 4 or earlier]
Source of text:
TxU:H/L-0758; Reel 1089
Summary:

JH is preparing to leave residence at Slough, and all notes on William Herschel's life are packed away. Refers [?] to published biographies, but adds some corrections to those.

Contributor:
John Herschel Project

Herschel14114

From:
Joseph Lovering
To:
Sir John Herschel
Date:
[26 April 1840]
Source of text:
TxU:H/M-0339; Reel 1087
Summary:

Asks JH's advice in establishing new astronomical, meteorological, and magnetic observatory at Harvard University. Describes instruments already owned and those ordered from Europe.

Contributor:
John Herschel Project

Herschel2477

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1840]-4-25 or later
Source of text:
RS:HS 15.331
Summary:

Hopes [Humphrey] Lloyd will reconsider V.F. Magnetometer based on JH's remarks. Discusses Canadian observatories. States who will perform U. S. magnetic survey. Discusses micrometer use.

Contributor:
John Herschel Project

Herschel2804

From:
Edward Sabine
To:
Sir John Herschel
Date:
[10 April 1840]
Source of text:
RS:HS 15.84
Summary:

Discusses Charles Riddell's desire to serve at a North American observatory and the expenses involved.

Contributor:
John Herschel Project

Herschel2805

From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 April 1840]
Source of text:
RS:HS 15.85
Summary:

Suggests a book of expenses be kept at the R.S.L.

Contributor:
John Herschel Project
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