Search: 1850-1859::1858::09::15 in date 
Herschel, John in addressee 
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Herschel7091

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[15 September 1858]
Source of text:
RS:HS 6.316
Summary:

Does not intend writing a life of Isaac Newton or G. W. Leibniz. Comments on the apparent delusions of Newton regarding other men's inventions.

Contributor:
John Herschel Project

Herschel6829

From:
Warren de La Rue
To:
Sir John Herschel
Date:
[15 September 1858]
Source of text:
RS:HS 6.142
Summary:

Is pleased the photograph arrived safely. Would be pleased to show him his collection of original negatives. Comments on the difficulties of using a telescope with a longer focus. Regarding improvements to the photoheliography at Kew. Encloses sketch of the comet.

Contributor:
John Herschel Project
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