Search: Herschel, John in author 
1830-1839::1839::06 in date 
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Showing 1–18 of 18 items

Herschel4469

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1839-6
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Urges TM to observe Comet Encke. Anxious about Cape Results completion. Announces move to Collingwood. Requests another meteorite sample. Five schoolmasters to be sent to South Africa. Unable to send refractor.

Contributor:
John Herschel Project

Herschel12789

From:
Sir John Herschel
To:
John Cam Hobhouse
Date:
[4 June 1839]
Source of text:
TxU:H/L-0194; Reel 1054
Summary:

Received Hobhouse's letter of 27 May with reply from H.E.I.C. board of directors regarding establishment of magnetic observatories in India. D. F. J. Arago recommends additional station on Socotra Island [in Gulf of Aden].

Contributor:
John Herschel Project

Herschel2193

From:
Sir John Herschel
To:
Lord John Russell
Date:
[5 June 1839]
Source of text:
RS:HS 14.437 (C: RS:HS 22.14)
Summary:

Reticent to accept fellowship of London University if obligations of time and attention are too great. Requests more time to consider responsibilities of the post.

Contributor:
John Herschel Project

Herschel3560

From:
Sir John Herschel
To:
James David Forbes
Date:
[6 June 1839]
Source of text:
St. Andrews 32 (C: RS:HS 22.15)
Summary:

Writes 'in haste' to thank JF for a pair of papers. Comments on Louis Daguerre's pictures in Paris.

Contributor:
John Herschel Project

Herschel13408

From:
Sir John Herschel
To:
Unidentified
Date:
[6 June 1839]
Source of text:
TxU:H/L-0641; Reel 1089
Summary:

Departure of J. C. Ross for Antarctic expedition is approaching. Hopes that Admiralty will soon authorize R.S.L. to assist Ross in preparing instruments and coordinating global observations.

Contributor:
John Herschel Project

RS-MM-000635

From:
John Frederick William Herschel
To:
J F W Herschel
Date:
11 June 1839
Source of text:
MM/11/139, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

Herschel8631

From:
Sir John Herschel
To:
Julia Margaret Cameron
Date:
[16 June 1839]
Source of text:
Getty Center
Summary:

Thanks for gifts sent to JH's children. Gives information on various persons including John Wrottesley and Sir Edward Ryan.

Contributor:
John Herschel Project

Herschel10620

From:
Sir John Herschel
To:
Luke Howard
Date:
[16 June 1839]
Source of text:
RS:HS 10.1 & 22.16
Summary:

LH's meteorological circular register was laid before the Meteorological Committee, which considers it worthy of notice. Comments on this, and would like to discuss the matter further.

Contributor:
John Herschel Project

Herschel8691

From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[17 June 1839]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 22.17)
Summary:

Comments on CG's paper on the south magnetic pole, and on British efforts now underway to make magnetic observations.

Contributor:
John Herschel Project

Herschel8598

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[18 June 1839]
Source of text:
AdWDDR Encke 49
Summary:

Asks if JE or the Academy of Sciences wish to participate in the British plan to make worldwide magnetic observations.

Contributor:
John Herschel Project

Herschel8520

From:
Sir John Herschel
To:
D. François J. Arago
Date:
[19 June 1839]
Source of text:
Académie des sciences (Paris)
Summary:

Requests FA's assistance in efforts toward establishing magnetic observatories. Especially recommends an observatory at Algiers. Communication from the R.S.L. will arrive shortly. Comments on biography of William Herschel written by J. B. J. Fourier.

Contributor:
John Herschel Project

Herschel8557

From:
Sir John Herschel
To:
William Cranch Bond
Date:
[19 June 1839]
Source of text:
BostonPubLib Ms.Eng. 190 (1)
Summary:

Invites WB to participate in making magnetic observations. Is sending relevant materials to WB.

Contributor:
John Herschel Project

Herschel4092

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[21 June 1839]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

J. C. Ross goes to Cape; will establish the proposed Magnetic Observatory for three years. TM should seek a site for the Magnetic Observatory.

Contributor:
John Herschel Project

Herschel8822

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[24 June 1839]
Source of text:
Science Museum Talbt 1/19 (ACCS: RS:HS 25.5.13 & C: TxU:H/L-0476; Reel 1055)
Summary:

Admires L. J. M. Daguerre's process, but hopes to see paper become dominant medium for photographs. Describes new paper JH developed. [Letter continues 6 July.] Experiment with fixed lines in chemical spectra; shows sensitivity of ultraviolet light.

Contributor:
John Herschel Project

Herschel4979

From:
Sir John Herschel
To:
D. François J. Arago
Date:
[25 June 1839]
Source of text:
RS:HS 1.362 & 22.18
Summary:

Regarding L. J. M. Daguerre's photographic experiments.

Contributor:
John Herschel Project

Herschel3987

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[26 June 1839]
Source of text:
TxU:H/L-0584.4.b; Reel 1058
Summary:

Has enclosed with the letter 'a letter sketch of the 40 feet [telescope] (as it now stands) made without hands, by Photography.'

Contributor:
John Herschel Project

Herschel2956

From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[29? June? 1839]
Source of text:
Académie belgique: #13
Summary:

JH's brother-in-law John Stewart, who is delivering this letter, seeks admission to a printing establishment. Asks AQ to aid JS. Lists recently received letters. Glad that AQ has [C. F.] Gauss's apparatus. Discusses an experiment in photography.

Contributor:
John Herschel Project

Herschel4363

From:
Sir John Herschel
To:
Andries Stockenström
Date:
[30 June 1839]
Source of text:
RS:HS 17.18 (C: RS:HS 22.19)
Summary:

Discusses the tensions between AS and Cape Governor George Napier.

Contributor:
John Herschel Project
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