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From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[25 May 1828]
Source of text:
TCD 1493:20
Summary:

Thanks for remainder of WH's essay on 'Systems of Rays.' Recalls error-ridden copy of JH's Light given to WH; sends correction. Wishes to propose WH for membership in Astronomical Society.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[5 May 1828]
Source of text:
TxU:H/L-0573.2; Reel 1058
Summary:

Sending the Gold Medal awarded to CH by the Astronomical Society and also a pair of bracelets from his mother; will send the indexes later. Just erected James South's large equatorial.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[28 May 1828]
Source of text:
TxU:H/L-0573.3; Reel 1058
Summary:

JH played no role in the awarding of an Astronomical Society medal to CH. Sent to CH a few copies of JH's Light. His catalogs of double stars and nebulae are progressing well.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[9 May 1828]
Source of text:
RS:HS 2.226
Summary:

Regarding Joseph Clement and the work on his machine. Account of his recent excursions.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
David Brewster
Date:
[21 May 1828]
Source of text:
RS:HS 21.11
Summary:

Sending DB a draft of a paper; comments on quality of a chromatic lens (that of [Charles] Tulley's telescope using Pierre Guinand's glass).

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[10 May 1828]
Source of text:
RS:HS 3.78
Summary:

Regarding the meeting, and the papers read last Friday. Invitation to dine with him and Sir Thomas Brisbane. Regarding Brisbane's observations. Various Astronomical Society affairs.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[12 May 1828]
Source of text:
RS:HS 3.79 & 21.9
Summary:

Is glad Thomas Brisbane was in the chair at the meeting. Will be pleased to join the party on Friday. The Parramatta observations. Someone to supervise their publication. His own recent observations.

Contributor:
John Herschel Project
From:
Thomas Young
To:
Sir John Herschel
Date:
[13 May 1828]
Source of text:
RS:HS 18.339
Summary:

T. M. Brisbane is in town. Can JH meet him? JH's computations of definite integrals are simpler, more direct than P. S. Laplace's and more conclusive than Leonhard Euler's. Comments on W. H. F. Talbot's letters demonstrating Josef Fraunhofer's theorem.

Contributor:
John Herschel Project
From:
Thomas Young
To:
Sir John Herschel
Date:
[4 May 1828]
Source of text:
RS:HS 18.343
Summary:

Abandons TY's argument on Mr. Roberts's object glass. Asks JH's help in understanding A. J. Fresnel's calculations of diffraction and Josef Fraunhofer's discontinuous functions.

Contributor:
John Herschel Project
From:
Thomas Young
To:
Sir John Herschel
Date:
[1828-5 or earlier]
Source of text:
RS:HS 18.357
Summary:

Board of Longitude would approve providing Lieutenant Forbes with apparatus JH suggested. Inappropriate for any member to address Admiralty separately. Payment of expenses to committee members.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fitton
Date:
14 May [1828]
Source of text:
RS:HS 19.53
Summary:

Accepts invitation to WF's party on 19th, but will miss reading of Adam Sedgwick's and R. I. Murchison's paper. Chemical composition of 'Fish limestone.'

Contributor:
John Herschel Project
From:
Maria Edgeworth
To:
Sir John Herschel
Date:
[20 May 1828]
Source of text:
RS:HS 7.25
Summary:

Is grateful for JH's invitation to her brother to visit him. Would like advice on a suitable mathematics tutor for her brother.

Contributor:
John Herschel Project
From:
Alfred Gautier
To:
Sir John Herschel
Date:
[1 May 1828]
Source of text:
RS:HS 8.82
Summary:

Is about to leave for England with Alphonse de Candolle. Gives news of his latest astronomical observations. Lists people he has met or hopes to meet.

Contributor:
John Herschel Project
From:
Anna Gurney
To:
William Fitt Drake
Date:
30 May [1828]
Source of text:
GB-110/JES/AG/19, The Linnean Society of London
Summary:

Returns correspondence between [Lorenz] Spengler [(1720-1807), naturalist] and Linnaeus, along with other letters, including fragment of [Daniel] Solander letter, which Sir James [Edward] Smith had given her to look over.

Contributor:
The Linnean Society of London