Search: Herschel, John in addressee 
Herschel, John in correspondent 
1820-1829::1826 in date 
letter in document-type 
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Showing 81–100 of 118 items

Herschel4642

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 November 1826]
Source of text:
RS:HS 1.26
Summary:

Information on a Mr. Atkinson. Remarks on dispersion of rays in glass.

Contributor:
John Herschel Project

Herschel4950

From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[18 March 1826]
Source of text:
RS:HS 1.337
Summary:

Further regarding parcels of books sent to G. S. G. Santini of Padova. Details and comments on telescopes used for observations.

Contributor:
John Herschel Project

Herschel4951

From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[11 May 1826]
Source of text:
RS:HS 1.338
Summary:

Has a micrometer under construction and gives details. Pietro Prandi has published a second memoir on mercury covered with sulfuric acid.

Contributor:
John Herschel Project

Herschel4952

From:
Giovanni B. Amici
To:
Sir John Herschel
Date:
[7 September 1826]
Source of text:
RS:HS 1.339
Summary:

Comments on articles recently published on microscopy.

Contributor:
John Herschel Project

Herschel519

From:
Siméon Denis Poisson
To:
Sir John Herschel
Date:
[22 April 1826]
Source of text:
RS:HS 14.13
Summary:

Preparing to give a lecture at the R.S.L., and writes seeking some information. Comments on some work of G. A. Plana and P. S. Laplace. [Much of this letter is illegible.]

Contributor:
John Herschel Project

Herschel5258

From:
Charles Babbage
To:
Sir John Herschel
Date:
[17 August 1826]
Source of text:
RS:HS 2.203
Summary:

Has been to the observatory. New comet discovered. Has met P. S. Laplace. Does he know of any tables of logarithms to 10,000?

Contributor:
John Herschel Project

Herschel5260

From:
Charles Babbage
To:
Sir John Herschel
Date:
[24 November 1826]
Source of text:
RS:HS 2.205
Summary:

Has just returned from collecting information on machines. Regarding the Lucasian professorship at Cambridge. Has met a clockmaker who is able to work on his machine.

Contributor:
John Herschel Project

Herschel5261

From:
Charles Babbage
To:
Sir John Herschel
Date:
[14 December 1826]
Source of text:
RS:HS 2.206
Summary:

Would like to spend Christmas with him. Does he want a Newfoundland puppy?

Contributor:
John Herschel Project

Herschel5262

From:
Charles Babbage
To:
Sir John Herschel
Date:
[16 December 1826]
Source of text:
RS:HS 2.207
Summary:

Regarding Mr. Moreau and his certificate. Recent happenings at the R.S.L. Has been pheasant shooting.

Contributor:
John Herschel Project

Herschel5810

From:
John Brinkley
To:
Sir John Herschel
Date:
[18 March 1826]
Source of text:
RS:HS 4.280
Summary:

Thanks for his valuable communications. His theory regarding the method of determining the difference of parallax is ingenious. Regarding the difference in observations of certain stars between Dublin and Greenwich. Returns G. A. A. Plana's letter and comments on this. Has not yet printed his paper on fixed stars.

Contributor:
John Herschel Project

Herschel5940

From:
Francis Baily
To:
Sir John Herschel
Date:
[2 March 1826]
Source of text:
RS:HS 3.63
Summary:

Thanks for the loan of his paper on the parallax. Regarding Wilhelm Struve's paper.

Contributor:
John Herschel Project

Herschel5941

From:
Francis Baily
To:
Sir John Herschel
Date:
[1 April 1826]
Source of text:
RS:HS 3.64
Summary:

Is sending his paper on the aberration so that it can be laid before the Board of Longitude. Also sending new table for the measurement of heights by means of the barometer. Regarding the distribution of the Memoirs to Associates.

Contributor:
John Herschel Project

Herschel6372

From:
Niccolo Cacciatore
To:
Sir John Herschel
Date:
[12 December 1826]
Source of text:
RS:HS 5.137
Summary:

Thanks for instruments and books. Death of Prof. Giuseppe Piazzi. Returns instruments for repair. Books have not reached him. Sends first volume of one of his own works.

Contributor:
John Herschel Project

Herschel6680

From:
Georges C. L. D. Cuvier
To:
Sir John Herschel
Date:
[11 September 1826]
Source of text:
RS:HS 5.384
Summary:

Has received the gift of books for which he is grateful. They have been placed in the library.

Contributor:
John Herschel Project

Herschel8018

From:
William Hyde Wollaston
To:
Sir John Herschel
Date:
11 October] [1826
Source of text:
RS:HS 18.286
Summary:

Previous engagement prevents WW witnessing experiment of A. M. Ampère tomorrow. Waits for JH's report. Hopes to see JH at [Georges] Cuvier's tomorrow.

Contributor:
John Herschel Project

Herschel8024

From:
James Wood
To:
Sir John Herschel
Date:
[16 October 1826]
Source of text:
RS:HS 18.292
Summary:

Wanted [JH] to become Lucasian Professor of Mathematics, but electors favor one of Heads. This will also operate against Charles Babbage.

Contributor:
John Herschel Project

Herschel8026

From:
James Wood
To:
Sir John Herschel
Date:
[2 December 1826]
Source of text:
RS:HS 18.294
Summary:

Restriction to reside constantly [at Cambridge] may deter Charles Babbage from position of Lucasian Professor.

Contributor:
John Herschel Project

Herschel8088

From:
Thomas Young
To:
Sir John Herschel
Date:
[1826 to 1829]
Source of text:
RS:HS 18.354
Summary:

Errors in equinoctial time calculated by John Pond. Suggests limiting decimal places in value of equinoctial time to reflect this uncertainty. Making error uniform will make it awkward to alter future almanacs.

Contributor:
John Herschel Project

Herschel8090

From:
Thomas Young
To:
Sir John Herschel
Date:
[1826 to 1829]
Source of text:
RS:HS 18.356
Summary:

Resolved puzzle about sidereal year, which needs better definition. Error between true and nominal positions prevents TY adopting 'equinoctial time' for chronology investigations.

Contributor:
John Herschel Project

Herschel8092

From:
Thomas Young
To:
Sir John Herschel
Date:
[1826-6 or earlier]
Source of text:
RS:HS 18.358
Summary:

J. J. Littrow's paper in F. X. von Zach's April [Correspondence astronomique, géologique, hydrographique et statistique] is only 'a new hash' of [F. W.] Bessel and no improvement.

Contributor:
John Herschel Project
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