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Croll, James in correspondent 
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From:
James Croll
To:
Sir John Herschel
Date:
[4 February 1865]
Source of text:
RS:HS 5.299
Summary:

Sending his paper on the causes of change of climate, and would be glad of JH's comments and opinion on its worth.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James Croll
Date:
[6 February 1865]
Source of text:
APS B.D25.L.7; draft: RS:HS 5.300 & C: 24.87-8
Summary:

In response to comments in a paper by JC, JH writes to establish his priority with respect to the significance of the revolution of the apsides of the earth's orbit and the eccentricity of the earth's orbit in affecting temperatures on the earth. JH had spelled this out in an 1830 paper for the Transactions of the Geological Society, and repeated it in his Outlines Astr.

Contributor:
John Herschel Project
From:
James Croll
To:
Sir John Herschel
Date:
[14 February 1865]
Source of text:
RS:HS 5.301
Summary:

Thanks for his letter concerning his own paper on the changes in climate. Points out parts where JH seems to have been mistaken in his views as expressed.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James Croll
Date:
[17 February 1865]
Source of text:
RS:HS 5.302 & 24.93
Summary:

Thanks for his letter and comments. Is always pleased to have any omission pointed out. Comments on his theories of the changing of the climates.

Contributor:
John Herschel Project
From:
James Croll
To:
Sir John Herschel
Date:
[23 February 1865]
Source of text:
RS:HS 5.303
Summary:

Gives various references in answer to JH's queries. Further regarding climatic changes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James Croll
Date:
[30 May 1866]
Source of text:
unknown
Summary:

Thanks JC for his papers on 'ice-cap and eccentricities [of planets].' Comments on the papers, noting the interactions between geology and astronomy.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James Croll
Date:
[14 August 1866]
Source of text:
unknown
Summary:

Thanks JC for his paper on the 'Influence of the Tidal Wave on the Moon's Motion.' Expresses disagreement with a number of aspects of JC's argument.

Contributor:
John Herschel Project
From:
James Croll
To:
Sir John Herschel
Date:
[18 August 1866]
Source of text:
RS:HS 5.304
Summary:

Thanks for letter and criticism of his own paper. Seems to have misunderstood most of his points. Explains some of his theories on the movement of the earth and tides.

Contributor:
John Herschel Project