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Herschel, John in addressee 
1840-1849::1840::09::01 in date 
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From:
Adolph Theodor Kupffer
To:
Sir John Herschel
Date:
1840-9-1/13
Source of text:
RS:HS 11.94
Summary:

Sending the fourth volume of the magnetic observations; comments on these.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[1 September 1840]
Source of text:
unknown
Summary:

Asserting that her memory remains sharp, CH promises that she will periodically describe 'what passed in old times.'

Contributor:
John Herschel Project
From:
John Murray [Sr.?]
To:
Sir John Herschel
Date:
[1840]-9
Source of text:
RS:HS 12.451
Summary:

Has forwarded JH's note regarding a review of William Whewell's book to J. G. Lockhart, who will be very pleased to receive such an article.

Contributor:
John Herschel Project
From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1 September 1840]
Source of text:
RS:HS 17.303
Summary:

Concerned with developing photography for tourist use. Doubts that colors of the spectrum can be readily displayed on photographic paper. The'chemistry' of photography is not understood.

Contributor:
John Herschel Project