Search: Herschel, John in correspondent 
Selwyn, William in correspondent 
No in transcription-available 
John Herschel in collection 
Sorted by:

Showing 120 of 80 items

From:
William Selwyn
To:
Sir John Herschel
Date:
[10 November 1858]
Source of text:
RS:HS 15.462
Summary:

WS's brother-in-law [George Peacock] has died after an illness.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[26 March 1860]
Source of text:
RS:HS 15.463
Summary:

Mentions a passage of Aristotle regarding comets. Proposes that Origen's theory of the Magi may be correct. Perhaps the Magi saw a comet.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[6 December 1860]
Source of text:
RS:HS 15.464
Summary:

Sends pictures of sun. Thanks JH for sparking his interest in the sun. Wants JH to direct the B.A.A.S.'s use of the Kew telescope to take pictures.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[1861]
Source of text:
RS:HS 15.515
Summary:

Detached postscript discussing sunspots, comparing them to the low barometric pressure center in cyclones. J. S. Henslow is dying.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[19 March 1861]
Source of text:
RS:HS 15.465
Summary:

Discusses 'autograph of the sun' he sent earlier. Discusses measuring relative temperature of sun. Has an unpublished letter of Galileo to Cardinal Barberini regarding sunspots.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[27 April 1861]
Source of text:
RS:HS 15.466
Summary:

Discusses Galileo's unpublished letter on sunspots. Outlines comparisons between tropical storms and sunspots as discussed at Cambridge Philosophical Society. Wishes to meet [Frederick] Howlett to discuss sunspots.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[20 November 1861]
Source of text:
RS:HS 15.567
Summary:

Sends series of solar heliographs. If further suggestions for improvement of these are noted, please send them. Is preparing to photograph Dec. 31 eclipse.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[22 November 1861]
Source of text:
RS:HS 23.349
Summary:

Has no suggestions to improve photographs. Wants to determine whether the degradation of light from center to edge of sun is 'real.' Does not think sun's size affects focus.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[11 January 1862]
Source of text:
RS:HS 15.468
Summary:

Discusses a depression on a heliograph, which he cannot reconcile with [Frederick] Howlett's observations. Conjectures over-exposure in printing may be the culprit.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[12 August 1862]
Source of text:
RS:HS 15.469
Summary:

Sending autographs. Discusses the faculae on the eastern limb and the reception of JH's note at the R.A.S. [Frederick] Howlett is drawing a group of sunspots.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[8 October 1862]
Source of text:
RS:HS 15.470
Summary:

Discusses problems with darkness on solar autographs and also the appearance of a white spot or 'ghost.' Cannot explain the 'notch' in the Aug. 4 autographs.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[16 October 1862]
Source of text:
RS:HS 15.471 (C: RS:HS 23.389)
Summary:

Has photographs of September 23 . Desires half pictures 'with the sun's limb in the middle of the view.' Cannot yet draw conclusions about the notches of the limb.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[18 October 1862]
Source of text:
RS:HS 15.472
Summary:

Will send requested half pictures. Notes that the 'ghost' always appears in the center of the plate. Discusses position lines and notches.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[26 January 1863]
Source of text:
RS:HS 15.473
Summary:

WS's photographer may get a grant from the R.S.L. Object glass for new telescope was stolen. They are still using the old one.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[29 December 1864]
Source of text:
RS:HS 15.474
Summary:

Discusses translating the Iliad. Discusses Emile Gautier's theory of the maculae, which does not seem to explain what they see.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[1 January 1865]
Source of text:
RS:HS 24.80
Summary:

Thanks WS for his Iliad translation. JH has just finished Book 3 of his own translation of the Iliad.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[25 February 1866]
Source of text:
RS:HS 15.475
Summary:

Says William Whewell has fallen from his horse and has been injured. Thanks JH for a paper he signed for the R.S.L.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Selwyn
Date:
[26 February 1866]
Source of text:
RS:HS 24.143
Summary:

Has heard about William Whewell's accident. Hopes he will recover, but knows his advanced age may hinder this. Wishes WS to send news of progress.

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[27 February 1866]
Source of text:
RS:HS 15.476
Summary:

William Whewell has gotten up to walk several times. The left side of his body and face is still 'not quite right.'

Contributor:
John Herschel Project
From:
William Selwyn
To:
Sir John Herschel
Date:
[1 March 1866]
Source of text:
RS:HS 15.477
Summary:

William Whewell slightly improved. Dr. [George] Humphry has been elected professor of Anatomy. Is indebted to JH because of the paper he sent to the R.S.L.

Contributor:
John Herschel Project