Search: 1830-1839::1839::06 in date 
letter in document-type 
No in transcription-available 
Sorted by:

Showing 41–47 of 47 items

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
Author
Addressee
Correspondent
Date
Document type
Repository
Contributor
Transcription available