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Herschel2809

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1 May 1840]
Source of text:
RS:HS 15.89
Summary:

R.S.L. Council approved publication of ES's paper on magnetic observation at sea. Discussions for North American magnetic observatories continue.

Contributor:
John Herschel Project

Herschel8828

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[3 May 1840]
Source of text:
Science Museum Talbt 1/25
Summary:

Thanks for excellent pictures WT sent. JH wishes JH had time for further experiments, especially on the 'thermic spectrum.' Praises [Robert] Hunt's results. Recommends experiment to WT.

Contributor:
John Herschel Project
Text Online

Faraday1269

From:
Michael Faraday
To:
Charles Wheatstone
Date:
4 May 1840
Source of text:
Bence Jones (1870a), 2: 105
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1270

From:
Michael Faraday
To:
William Scoresby
Date:
4 May 1840
Source of text:
WLPS MS
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Faraday1271

From:
Michael Faraday
To:
Alexander Dallas Bache
Date:
5 May 1840
Source of text:
APS MS 506.73 Am4Le Vol 1, p.6
Summary:

No summary available.

Contributor:
Faraday Project

DCP-LETT-565G

From:
Charles Robert Darwin
To:
Thomas Walker
Date:
5 May [1840]
Source of text:
Jim Somerville (private collection)
Summary:

Acknowledges TW’s letter supplying him with William Kemp’s address.

Contributor:
Darwin Correspondence Project
Text Online

FVM-40-05-06

From:
H. Hammel
To:
Ferdinand von Mueller
Date:
6 May 1840
Source of text:
RB MSS M105.1, Library, Royal Botanic Gardens Melbourne
Summary:

No summary available.

Contributor:
Correspondence of Ferdinand von Mueller Project
Text Online

Tyndall0001

From:
John Tyndall
To:
John Tyndall, Snr
Date:
May 6th, 1840
Source of text:
MS JT/1/10/3182, RI
Summary:

No summary available.

Contributor:
Tyndall Project

DCP-LETT-565H

From:
William C. Redfield
To:
Charles Robert Darwin
Date:
6 May 1840
Source of text:
Yale University: Beinecke Rare Book and Manuscript Library (William C. Redfield’s outbound letter book 1835–41 (z117 00151 2), pp. 179–80)
Summary:

Thanks CD for information about Captain Tillard’s account of the volcanic eruption in the Azores in 1811.

Contributor:
Darwin Correspondence Project

Herschel6057

From:
Sir John Herschel
To:
Francis Baily
Date:
[6 May 1840]
Source of text:
RS:HS 3.182 (C: RS:HS 25.8.27)
Summary:

Would FB deputize for him at the council meeting on Friday as he is unable to attend. Letter from F. W. Bessel regarding 61 Cygni. Has written to G. B. Airy regarding Thomas Maclear's paper.

Contributor:
John Herschel Project
Text Online

Faraday1272

From:
Michael Faraday
To:
C.S. Desmonters
Date:
7 May 1840
Source of text:
SELJ MS 2/1-4
Summary:

No summary available.

Contributor:
Faraday Project
Text Online

Tyndall0002

From:
John Tyndall, Snr
To:
John Tyndall
Date:
May 8th. 1840.
Source of text:
MS JT/1/10/3183, RI
Summary:

No summary available.

Contributor:
Tyndall Project
Text Online

Faraday1273

From:
Michael Faraday
To:
J.F. Goddard
Date:
9 May 1840
Source of text:
Manchester Public Library MS Brothers 5
Summary:

No summary available.

Contributor:
Faraday Project

Herschel10732

From:
Robert Hunt
To:
Sir John Herschel
Date:
[9 May 1840]
Source of text:
RS:HS 10.85
Summary:

Sends his paper for communication to the R.S.L. Will send some more examples later as his camera has developed a defect.

Contributor:
John Herschel Project

Herschel2454

From:
Edward Sabine
To:
Sir John Herschel
Date:
10 May [1840]
Source of text:
RS:HS 15.308
Summary:

[John] Lefroy should replace [Charles] Riddell in Canada. Discusses proposed Norwegian observatory and proposals for various instruments. Navy officers may be helpful observers in colonies.

Contributor:
John Herschel Project

DCP-LETT-565F

From:
Charles Robert Darwin
To:
William Kemp
Date:
1[1] May [1840]
Source of text:
Cambridge University Library (MS Add. 10252/2) (gift of Ruth Cramond and David Cramond)
Summary:

CD has read WK’s abstract in the Scotsman, 15 February 1840, p. 3, and asks for further details.

Contributor:
Darwin Correspondence Project
Text Online

Faraday1274

From:
César Mansuète Despretz
To:
Michael Faraday
Date:
12 May 1840
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project

Herschel8272

From:
Sir John Herschel
To:
Elizabeth Drummond [Sr.]
Date:
[12 May 1840]
Source of text:
RS:HS 19.78
Summary:

Just moved [to Collingwood]. Will send information about ED's late son, Thomas Drummond. Recalls Drummond's fame and triangulation work on Irish Survey. Describes invention and first demonstration of Drummond Light.

Contributor:
John Herschel Project

Herschel3946

From:
Sir John Herschel
To:
Robert Hunt
Date:
[12 May 1840]
Source of text:
George Eastman House, 3.17 (C: RS:HS 22.15)
Summary:

Will forward RH's paper to the R.S.L.; intrigued by RH's results using mercury vapor to produce the image on exposed paper.

Contributor:
John Herschel Project

DCP-LETT-566

From:
Bartholomew James Sulivan
To:
Charles Robert Darwin
Date:
12 May 1840
Source of text:
DAR 177: 274
Summary:

Gives CD the results of some calculations for "dip" over different distances, as requested.

Contributor:
Darwin Correspondence Project
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