Search: Herschel, John in addressee 
1860-1869::1860::01 in date 
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Herschel8507

From:
Herbert Spencer
To:
Sir John Herschel
Date:
[18 January 1860]
Source of text:
RS:HS 16.487
Summary:

[Responding to JH's 1860}-1-12,] HS admits some of JH's objections to HS's views on distribution of cometary orbits, but attempts to salvage HS's cyclonic theory of sunspot formation.

Contributor:
John Herschel Project

Herschel9543

From:
Isaac Fletcher
To:
Sir John Herschel
Date:
[11 January 1860]
Source of text:
RS:HS 7.272
Summary:

Regrets the delay in answering JH's letter but he has been abroad. Will supply any details if not too late for his purpose. The mounting of his large telescope is peculiar and is similar to that used by Smyth.

Contributor:
John Herschel Project
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