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Herschel, John in addressee 
John Herschel Project in contributor 
1860-1869::1869::04 in date 
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From:
James Challis
To:
Sir John Herschel
Date:
[1 April 1869]
Source of text:
RS:HS 5.242
Summary:

Is pleased with the interest JH is taking in his volume. Understands the difficulty of comprehending it at once. Further comments on his own dynamical theory of dispersion.

Contributor:
John Herschel Project
From:
Christian August Friedrich Peters
To:
Sir John Herschel
Date:
[5 April 1869]
Source of text:
RS:HS 13.371
Summary:

Comments on exchange of astronomical works with JH. CP expects to improve the observatory library now that the Prussians have taken over Altona. Is making arrangements to carry out some pendulum experiments.

Contributor:
John Herschel Project
From:
Amédée Victor Guillemin
To:
Sir John Herschel
Date:
[10 April 1869]
Source of text:
RS:HS 9.71
Summary:

Is preparing a new edition of his book Le ciel, which J. N. Lockyer is translating into English. Would like to reproduce new information on shooting stars and meteors and would like JH's assistance.

Contributor:
John Herschel Project
From:
John Murray [Jr.]
To:
Sir John Herschel
Date:
19 April [1869]
Source of text:
RS:HS 12.454
Summary:

Is prepared to take charge of Mrs. Mary Somerville's memoir. Found her wonderfully well when he met her at Naples.

Contributor:
John Herschel Project
From:
John Murray [Jr.]
To:
Sir John Herschel
Date:
22 April [1869]
Source of text:
RS:HS 12.455
Summary:

Has safely received the packet containing Mrs. Mary Somerville's manuscript. She has been awarded the Victoria medal of the Geographical Society.

Contributor:
John Herschel Project
From:
William E. Hearn
To:
Sir John Herschel
Date:
[24 April 1869]
Source of text:
RS:HS 10.175
Summary:

Is pleased that his book, the Government of England, meets with JH's approval.

Contributor:
John Herschel Project
From:
Wilhelm Schur
To:
Sir John Herschel
Date:
[25 April 1869]
Source of text:
RS:HS 17.180
Summary:

Is happy that his discovery of 70 Ophiuchi was included in JH's catalogue of double stars. Thanks for correction on a logarithm of the focal point equation; intends to change this in Astronomische Nachrichten.

Contributor:
John Herschel Project
From:
Russell Henry Manners
To:
Sir John Herschel
Date:
[26 April 1869]
Source of text:
RS:HS 12.288
Summary:

Thanks for the additional information regarding Argus by Elias Loomis and J. Tebbutt; it will appear in the next R.A.S.M.N.

Contributor:
John Herschel Project