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DCP-LETT-473

From:
Charles Robert Darwin
To:
John Phillips
Date:
[18 Mar 1839]
Source of text:
Oxford University Museum of Natural History Archive Collections (John Phillips collection)
Summary:

Will send JP a map as requested. Asks for a ticket to one of JP’s lectures.

Contributor:
Darwin Correspondence Project

Herschel14846

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[18 March 1839]
Source of text:
NMPFT 1937-4840
Summary:

Thanks for specimen of light sensitive paper. Provides hint on the chemical process that Louis Daguerre may have used in his photographic work. Sends specimens of JH's own work.

Contributor:
John Herschel Project
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