Search: Herschel, John in correspondent 
Talbot, William Henry Fox in correspondent 
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Herschel, John in addressee 
letter in document-type 
1840-1849::1841::03 in date 
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From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[17 March 1841]
Source of text:
RS:HS 17.304a
Summary:

Announces his invention of the 'calotype', and his application for a patent. Questions JH on his address to R.A.S., objecting to idea that universe is infinite.

Contributor:
John Herschel Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[18 March 1841]
Source of text:
RS:HS 17.305a
Summary:

Preparing his calotype paper for publication. Looking for a summer house, somewhere interesting to photograph.

Contributor:
John Herschel Project