Search: Herschel, John in author 
letter in document-type 
No in transcription-available 
1870-1879::1871 in date 
Sorted by:

Showing 21–32 of 32 items

Herschel6868

From:
Sir John Herschel
To:
Warren de La Rue
Date:
[11 February 1871]
Source of text:
RS:HS 24.354
Summary:

Comments on sunspot activity.

Contributor:
John Herschel Project

Herschel7783

From:
Sir John Herschel
To:
John Williams
Date:
[21 April 1871]
Source of text:
RAS: MSS Add.29 [suppl.]
Summary:

Encloses copy of JH's letter to R.A.S. [see JH's 1864-6-29] that accompanied JH's submission of W. L. Newman's tables for determining radii of aplanatic lenses. Suspects that there was more than one volume of tables.

Contributor:
John Herschel Project

Herschel8361

From:
Sir John Herschel
To:
Nature
Date:
[21 January 1871]
Source of text:
RS:HS 19.161b
Summary:

Requests publication of a notice of the recalculation by H. J. R. Petersen of the Gaussian constants of terrestrial magnetism.

Contributor:
John Herschel Project

Herschel8618

From:
Sir John Herschel
To:
William Benjamin Carpenter
Date:
[19 April 1871]
Source of text:
Royal Geographical Society
Summary:

Discusses WC's ideas on the causes of oceanic circulation. Notes that wind currents are easier to study than water currents. Glad WC got his specimens of Mediterranean water.

Contributor:
John Herschel Project

Herschel8741

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[2 February 1871]
Source of text:
RS:HS 24.351
Summary:

Thanks RP for sending RP's Sun. Suggests a theory that the solar corona, rather than originating in the earth's atmosphere, is produced by reflection from meteoric dust. Informs RP that he has completed a catalogue of all observations of double stars.

Contributor:
John Herschel Project

Herschel8743

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[7 February 1871]
Source of text:
RS:HS 24.352
Summary:

Replies to RP's objections to his theory of the solar corona. Informs RP that William Herschel's larger telescopes were used as front focus. Suggests explanation of his father's disconfirmed discovery of four additional Uranian moons.

Contributor:
John Herschel Project

Herschel8746

From:
Sir John Herschel
To:
Richard Anthony Proctor
Date:
[1 March 1871]
Source of text:
RS:HS 24.358
Summary:

Admits that recent heliographs of the corona favor the eruption theory over JH's meteoric theory. Notes that this raises question of the nature of the photosphere. Cites recent results showing link between sunspot formation and terrestrial magnetic disturbances.

Contributor:
John Herschel Project

Herschel918

From:
Sir John Herschel
To:
John Herschel (son)
Date:
[19 February 1871]
Source of text:
JHS 5.39 (C: 5.38 omitting the last paragraph)
Summary:

Mostly about how to deal with the implications of local attractions in geodetic surveying [see JH's 1870-11-17]; JH has had the mineral son John sent analyzed and sends the results. JH commiserates with daughter-in-law Mary's illness.

Contributor:
John Herschel Project

Herschel9355

From:
Sir John Herschel
To:
Georg Adolph Erman
Date:
[22 January 1871]
Source of text:
RS:HS 7.107
Summary:

Has sent a note to Nature stating the details of the grant paid by the B.A.A.S. to H. J. R. Petersen for magnetic observations.

Contributor:
John Herschel Project

Herschel9356

From:
Sir John Herschel
To:
Georg Adolph Erman
Date:
[26 January 1871]
Source of text:
RS:HS 24.349
Summary:

Note to accompany a translation of one of GE's writings; also comments on the 'reform' of the German language.

Contributor:
John Herschel Project

Herschel9358

From:
Sir John Herschel
To:
Georg Adolph Erman
Date:
[25 March 1871]
Source of text:
RS:HS 7.110 (C: RS:HS 24.360)
Summary:

No doubt he has received some of the money granted by the B.A.A.S. Has sent it all to GE as he did not know the address of H. J. R. Petersen. Unable to follow GE's scientific arguments. Require simplification.

Contributor:
John Herschel Project

Herschel9721

From:
Sir John Herschel
To:
John P. Gassiot
Date:
[17 February 1871]
Source of text:
RS:HS 8.68 (C: RS:HS 24.355 & 356)
Summary:

Comments on R.S.L. acquiring Kew Observatory building for creation of magnetic observatory [see JG's 1871-2-13].

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available