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Herschel1346

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[19 July 1839]
Source of text:
RS:HS 17.295
Summary:

Confused by an 'unfixed' photo from JH in which the image shows different effects from different colors of the spectrum. Also other comments on photography.

Contributor:
John Herschel Project

Herschel2188

From:
Sir John Herschel
To:
James Clark Ross
Date:
[19 July 1839]
Source of text:
RS:HS 14.432 (C: RS:HS 25.13.5)
Summary:

Describes method of suspending furniture in a ship such that the furniture is less influenced by the ship's motion.

Contributor:
John Herschel Project

Herschel3364

From:
Sir John Herschel
To:
Edward Sabine
Date:
[19 July 1839]
Source of text:
RS Sa.648
Summary:

Sends plans for and detailed explanation of device to suspend cot or couch in ship so as to 'destroy' ship's motion and alleviate seasickness.

Contributor:
John Herschel Project
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