Search: Herschel, John in addressee 
1860-1869::1864 in date 
Sorted by:

Showing 101–120 of 231 items

Herschel4175

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[1 September 1864]
Source of text:
RS:HS 17.373
Summary:

Thanks JH for advice on the pursuit of astronomy, especially concerning the importance of mathematics. Desires to know astronomy not just as a 'pleasurable companion' but as a 'bosom friend.'

Contributor:
John Herschel Project

Herschel4191

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[21 December 1864]
Source of text:
RS:HS 14.95
Summary:

Requests JH's reflections on the deceased Wilhelm Struve. Discusses making of telescope object glass. Continues work on the optical tables.

Contributor:
John Herschel Project

Herschel4210

From:
Isaac Todhunter
To:
Sir John Herschel
Date:
[6 April 1864]
Source of text:
RS:HS 17.353
Summary:

Printing History of the Mathematical Theory of Probability. Inquires about a probability calculation of Wilhelm Struve's in JH's Outlines Astr.

Contributor:
John Herschel Project

Herschel4238

From:
Thomas Humphrey
To:
Sir John Herschel
Date:
[6 May 1864]
Source of text:
Harvard: Houghton AAH 67m-67 (62)
Summary:

Announces a meeting of the Committee of Management for the Hawkhurst National School.

Contributor:
John Herschel Project

Herschel4268

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[24 November 1864]
Source of text:
RS:HS 14.94
Summary:

Praises JH's Iliad. Asks R.S.L. for funds to cover expenses incurred by spherical observations. Details information to be included in optical tables.

Contributor:
John Herschel Project

Herschel4327

From:
Peter Guthrie Tait
To:
Sir John Herschel
Date:
[9 December 1864]
Source of text:
RS:HS 17.425a
Summary:

Sends, at the request of William Thomson, articles from North British Review on the topic of energy.

Contributor:
John Herschel Project

Herschel4336

From:
Alfred Potiquet
To:
Sir John Herschel
Date:
[20 September 1864]
Source of text:
RS:HS 14.180
Summary:

Asks for information on William Herschel.

Contributor:
John Herschel Project

Herschel4361

From:
Alfred Potiquet
To:
Sir John Herschel
Date:
[24 May 1864]
Source of text:
RS:HS 14.179
Summary:

Discusses work on biographies of scientific men.

Contributor:
John Herschel Project

Herschel4372

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[6 July 1864]
Source of text:
RS:HS 16.322
Summary:

Questions dates in William Herschel's observations. Wishes JH luck on completing translation of Iliad.

Contributor:
John Herschel Project

Herschel4414

From:
William Henry Smyth
To:
Sir John Herschel
Date:
[2 July 1864]
Source of text:
RS:HS 16.321
Summary:

Studies sidereal chromatics. Asks if William Herschel recorded colors of Beta Cygni in a 1779 observation.

Contributor:
John Herschel Project

Herschel4417

From:
William Trant, Jr.
To:
Sir John Herschel
Date:
[23 August 1864]
Source of text:
RS:HS 17.372
Summary:

Asks for JH's advice on astronomy as a profession.

Contributor:
John Herschel Project

Herschel4442

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[24 January 1864]
Source of text:
RS:HS 14.86
Summary:

Asks JH for information on the Beaufoy Clock owned by R.A.S., which is now missing. Requests JH to read R.A.S. Annual Report.

Contributor:
John Herschel Project

Herschel4451

From:
Walter White
To:
Sir John Herschel
Date:
[19 December 1864]
Source of text:
Harvard: Houghton AAH 67m-67 (100)
Summary:

Will distribute copies of a JH paper.

Contributor:
John Herschel Project

Herschel4528

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[31 March 1864]
Source of text:
RS:HS 14.91
Summary:

Forwards letter concerning 'solar bright particles' by W. R. Dawes. Inquires if diagonal solar eyepiece used in JH's solar spectrum observations.

Contributor:
John Herschel Project

Herschel4530

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[20 February 1864]
Source of text:
RS:HS 14.88
Summary:

Richard Hodgson claims to have invented the diagonal solar eyepiece despite JH's description of it in Cape Results.

Contributor:
John Herschel Project

Herschel4538

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[9 November 1864]
Source of text:
RS:HS 14.92
Summary:

Compares W. L. Newman's and CP's calculations of optical coefficients to those in JH's work. Sends JH formulae and tables for calculating telescopic lens thickness and shape in relation to the dimensions of the telescope. Wishes JH luck on Iliad.

Contributor:
John Herschel Project

Herschel4543

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[16 January 1864]
Source of text:
RS:HS 14.85
Summary:

Thanks JH for solar observations. Discusses 'willow leaves' observations made at Greenwich Observatory after following JH's suggestions for solar eyepiece.

Contributor:
John Herschel Project

Herschel4544

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[8 February 1864]
Source of text:
RS:HS 14.87
Summary:

Thanks JH for reading R.A.S. records. G. P. Bond will not receive R.A.S. medal. The Beaufoy Clock is recovered.

Contributor:
John Herschel Project

Herschel4545

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[21 February 1864]
Source of text:
RS:HS 14.89
Summary:

Richard Hodgson pursues claim to invention of the diagonal solar eyepiece while claiming that JH disclaimed the invention.

Contributor:
John Herschel Project

Herschel4546

From:
Charles Pritchard
To:
Sir John Herschel
Date:
[10 November 1864]
Source of text:
RS:HS 14.93
Summary:

Compares JH's equation for lens curvature with that of C. F. Gauss.

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