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From:
Pierre Simon Laplace
To:
Mary Somerville
Date:
28 Apr 1826
Source of text:
MSL 2 / 82, Dep. c. 371, Bod, MS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse
From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[29 April 1826]
Source of text:
AdWDDR II-VII, 5
Summary:

Asks questions about the prospectus [see JE's 1826-3-2] prepared by the Berlin Royal Academy for a map of the heavens. Asks JE to send JH a copy of [K. L.] Harding's star atlas.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[29 April 1826]
Source of text:
RS:HS 20.234 (Abstract: RS: RS:HS 17.106c)
Summary:

Sent medal to WS. Tells WS it was awarded to WS and [James] South. Speaks of [Francis] Baily's medal presentation speech. Lists books sent to WS.

Contributor:
John Herschel Project
From:
William Sotheby
To:
Sir John Herschel
Date:
[1826-5]
Source of text:
RS:HS 17.222a
Summary:

Declines an invitation of JH's, being 'engaged sixteenfold' that day. Invites JH to a party another day.

Contributor:
John Herschel Project
From:
William Wilson
To:
Sir James Edward Smith
Date:
2 May 1826
Source of text:
GB-110/JES/COR/26/56, The Linnean Society of London
Summary:

Sends new British species of 'Mespilus', gathered on a recent excursion in North Wales, and some other plants and observations gathered in course of his botanical studies.

Contributor:
The Linnean Society of London
From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[3 May 1826]
Source of text:
RS:HS 17.108
Summary:

Offers to participate in determining stellar parallaxes by finding the angle position of double stars. Apprises Henry Kater that he has never seen Saturn's rings separated. Includes micrometer measurements of Saturn and Jupiter.

Contributor:
John Herschel Project
From:
Edward Forster
To:
Sir James Edward Smith
Date:
6 May 1826
Source of text:
GB-110/JES/COR/22/21, The Linnean Society of London
Summary:

Sorry that Smith was not able to come on 1 May, hopes he will still be able to come on 15 May. New Linnean Society Council to include Sir Stamford Raffles [(1781-1826), founder of Singapore], Charles Bell, [Nicholas Aylward] Vigors [(1786-1840), zoological administrator and quinarian], Dr [John] Bostock and [Joseph] Sabine. Believes Honorary Memberships should be kept for princes and other very distinguished persons.

Contributor:
The Linnean Society of London
From:
Sir John Herschel
To:
Henry Kater
Date:
[6 May 1826]
Source of text:
RS:HS 19.52
Summary:

Invites HK to dinner Saturday to meet James South and Alexis Bouvard.

Contributor:
John Herschel Project
From:
Thomas Salwey
To:
Sir James Edward Smith
Date:
9 May 1826
Source of text:
GB-110/JES/COR/25/41, The Linnean Society of London
Summary:

Offers to send Smith 'Lichen' specimens, as listed: 'Parmelia conoplea', 'P. ambigua', 'P. lanuginosa', 'Lecidea wulfenii' ('Verrucaria purpurascens' Hoffmann), 'Sagedia rufescens', and 'Lecidea cinereo-fusca'.

Contributor:
The Linnean Society of London
From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[11 May 1826]
Source of text:
RS:HS 1.338
Summary:

Has a micrometer under construction and gives details. Pietro Prandi has published a second memoir on mercury covered with sulfuric acid.

Contributor:
John Herschel Project
From:
Samuel Goodenough
To:
Sir James Edward Smith
Date:
12 May 1826
Source of text:
GB-110/JES/COR/12/106, The Linnean Society of London
Summary:

Thanks for Smith's botanical letter. Sympathises with Smith's family distresses with his own: his severe loss at death of his second son and his eldest son's having run into debt, despite his £1600 per annum, Goodenough has refused to pay the £2000 he applied for.

Contributor:
The Linnean Society of London
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[22 May 1826]
Source of text:
Science Museum Talbt 1/2
Summary:

[Responding to WT's 1826-3-24], JH concurs with P. S. Laplace's view about the advantage of astronomical observation from high elevations, e.g., from mountains. Comments on telescope prices, a paper by WT, Florence, and JH's plan to visit the Continent.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
1826-5[?]-24
Source of text:
RS:HS 2.202
Summary:

Encloses a letter from Dr. John Brinkley. Please send on his manuscript catalogue of nebulae. Regarding the reading and printing of CB's paper at the Analytical. Site for his pendulum experiments.

Contributor:
John Herschel Project
From:
Michael Faraday
To:
Sir John Herschel
Date:
[26 May 1826]
Source of text:
RS:HS 7.169
Summary:

Sending a paper for the R.S.L. Humphry Davy does not approve entirely of his arguments. Would be pleased if JH would glance over it and then inform Davy that he has it.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Michael Faraday
Date:
[26 May 1826]
Source of text:
RS:HS 7.170 & 20.235
Summary:

Has read his paper on vaporization with much interest and can see no objections to its arguments. Comments on some of the details.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Michael Faraday]
Date:
[27 May 1826]
Source of text:
RI 359-62 F3B
Summary:

Comments extensively on paper on limit of vaporization and its significance in helping to settle ideas on constitution of the atmosphere.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Michael Faraday
Date:
[27 May 1826]
Source of text:
RS:HS 7.171
Summary:

[More detailed version of JH's 1826-5-26]. Has mentioned it to Humphry Davy.

Contributor:
John Herschel Project
From:
John Ramage
To:
Sir John Herschel
Date:
[29 May 1826]
Source of text:
RS:HS 14.298
Summary:

Discusses casting and construction of telescope speculae.

Contributor:
John Herschel Project
From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[30 May 1826]
Source of text:
TxU:H/M-0180; Reel 1087
Summary:

Will send JH some barometric observations; describes the barometers with which the observations were made.

Contributor:
John Herschel Project
From:
Michael Faraday
To:
Sir John Herschel
Date:
[30 May 1826]
Source of text:
RS:HS 7.172
Summary:

Was grateful for JH's letter and detailed notes. Hopes he will attach a copy to the paper when he communicates it to the R.S.L.

Contributor:
John Herschel Project