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From:
[Charles] R[igobert Marie] Bonne
To:
Sir John Herschel
Date:
[11 June 1825]
Source of text:
RS:HS 4.184
Summary:

Concerning recent works and discussions connected with longitude.

Contributor:
John Herschel Project
From:
[Charles] R[igobert Marie] Bonne
To:
Sir John Herschel
Date:
[28 June 1825]
Source of text:
RS:HS 4.185
Summary:

Has returned to Brest, and found his letter. Is honored to correspond with JH. Further regarding pendulum observations.

Contributor:
John Herschel Project
From:
[Charles] R[igobert Marie] Bonne
To:
Sir John Herschel
Date:
[1 July 1825]
Source of text:
RS:HS 4.186
Summary:

Is sending him a paper dealing with the measurement of the arc of the meridian between Greenwich and Paris. Further observations along the coast by Lieut. C. L. Largeteau.

Contributor:
John Herschel Project
From:
[Charles] R[igobert Marie] Bonne
To:
Sir John Herschel
Date:
[1 July 1825]
Source of text:
RS:HS 4.187
Summary:

Has just received his letter of 27 June. Further work of Lieut. C. L. Largeteau. Longitude readings at various points.

Contributor:
John Herschel Project
From:
[Charles] R[igobert Marie] Bonne
To:
Sir John Herschel
Date:
[6 August 1825]
Source of text:
RS:HS 4.189
Summary:

Concerning Lieut. C. L. Largeteau's recent observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
David Brewster
Date:
[28 November 1825]
Source of text:
RS:HS 4.258 & 20.225
Summary:

Has received copies of reprints from Lyell. Points out errors in a printed paper of his. Has been unwell and very busy of late. Would like to add DB's name to the Optical Glass Committee.

Contributor:
John Herschel Project
From:
David Brewster
To:
Sir John Herschel
Date:
[2 December 1825]
Source of text:
RS:HS 4.259
Summary:

Regarding corrections requested by JH in a printed article. Ill health and overwork applies to him also. Pleased to hear of the work of the Optical Glass Committee. Comments on this.

Contributor:
John Herschel Project
From:
John Brinkley
To:
Sir John Herschel
Date:
[29 January 1825]
Source of text:
RS:HS 4.279
Summary:

Notes and comparisons for their recent observations of stars. Was interested in the account of Henry Kater's collimator and hopes it will be adapted for Greenwich.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[28 February 1825]
Source of text:
RS:HS 3.57
Summary:

Would like to borrow the drawing of Josef Fraunhofer's telescope. Has received an account of this telescope from Wilhelm Struve, which he is now translating. Regarding the miscarriage of the Memoirs for Struve.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[28 March 1825]
Source of text:
RS:HS 3.58
Summary:

Is sending a copy of Wilhelm Struve's paper on Josef Fraunhofer's telescope. Regarding F. W. Bessel's formula on longitude. Has copies of J. J. Littrow's paper for him.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[17 May 1825]
Source of text:
RS:HS 3.59
Summary:

Enclosing vouchers relating to the stock, etc. Regarding the interpretation of a letter from F. W. Bessel. The inquiries regarding the Astronomer Royal.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[31 May 1825]
Source of text:
RS:HS 3.60
Summary:

Regarding the travels of a packet of Wilhelm Struve's observations. Please bring F. W. Bessel's letter with him when he comes to the Committee meeting.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[4 October 1825]
Source of text:
RS:HS 3.61
Summary:

Will be pleased to accept his invitation to spend some days at Slough.

Contributor:
John Herschel Project
From:
Francis Baily
To:
Sir John Herschel
Date:
[31 October 1825]
Source of text:
RS:HS 3.62
Summary:

Send copies of the errata to Giuseppe Piazzi's catalogue. Cloud ruined his observation of Saturn.

Contributor:
John Herschel Project
From:
Peter Barlow
To:
Sir John Herschel
Date:
[16 February 1825]
Source of text:
RS:HS 3.288
Summary:

Regarding his own experiments with revolving balls.

Contributor:
John Herschel Project
From:
John Barrow
To:
Sir John Herschel
Date:
[7 November 1825]
Source of text:
RS:HS 5.21
Summary:

Richard Copeland has received such instruments as the Board thought he should have. A mountain barometer seems extravagant for his duties. If JH thinks a camera lucida is necessary, one can be supplied.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Niccolo Cacciatore
Date:
[31 January 1825]
Source of text:
RS:HS 5.134
Summary:

News since he left Palermo. Comments on the pamphlet NC recently sent him. Has to inform him that he has been elected an Associate of the Astronomical Society.

Contributor:
John Herschel Project
From:
Niccolo Cacciatore
To:
Sir John Herschel
Date:
[29 March 1825]
Source of text:
RS:HS 5.135
Summary:

Is grateful for being elected an Associate of the Astronomical Society. Compares barometers. Grateful for comments on his pamphlet. News of expedition up Mont Cuccio. Local disputes regarding the results.

Contributor:
John Herschel Project
From:
Niccolo Cacciatore
To:
Sir John Herschel
Date:
[10 March 1825]
Source of text:
RS:HS 5.136
Summary:

Thanks for information on the R.S.L. barometers. Would he purchase various instruments for the new observatory. Notes on star readings.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Wallace
Date:
23] March [1825
Source of text:
RS:HS 20.203
Summary:

Let Josef Fraunhofer make WW's whole transit instrument, and mural circle as well. Attests to Fraunhofer's artistry. Germans will soon leave no stars to discover. Wishes someone would import G. F. Reichenbach's meridian circle and use it on F. W. Bessel's plan. Suggests WW order clocks from [Robert] Molyneux or [William] Hardy.

Contributor:
John Herschel Project