Search: Herschel, John in correspondent 
1830-1839::1839::06 in date 
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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

Herschel4690

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[19 June 1839]
Source of text:
RS:HS 1.79
Summary:

Has sent to JH papers relating to London University. Hopes JH will accept a senatorship.

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

Herschel5583

From:
Friedrich Wilhelm Bessel
To:
Sir John Herschel
Date:
[26 June 1839]
Source of text:
RS:HS 4.73
Summary:

Sending JH some writings on geodesic measurements; reports the second measurement of annual parallax of 61 Cygni; comments on some other observations.

Contributor:
John Herschel Project

Herschel5712

From:
Nathaniel Bowditch [Jr.]
To:
Sir John Herschel
Date:
[9 June 1839]
Source of text:
RS:HS 4.203
Summary:

Have obtained an act of incorporation for their library. Their father did not finish his translation of the fifth volume of the Mécanique céleste.

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

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

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

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

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

Herschel9657

From:
Thomas Galloway
To:
Sir John Herschel
Date:
[9 June 1839]
Source of text:
RS:HS 8.7
Summary:

Sending William Simm's paper, which was read at the last meeting. Would be glad of JH's views on whether it should be printed in the R.A.S. Memoirs.

Contributor:
John Herschel Project
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