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Bonne, [Charles] R[igobert Marie] in correspondent 
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From:
[Charles] R[igobert Marie] Bonne
To:
Sir John Herschel
Date:
[6 March 1825]
Source of text:
RS:HS 4.183
Summary:

Edward Sabine's and JH's memoir on the differences of the meridian between Greenwich and Paris. Hopes to print a notice of the same operation with similar results. Operations last year between Paris and Brest were not a success so hopes to repeat them this year.

Contributor:
John Herschel Project
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