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Hunt, Robert in correspondent 
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Herschel, John in addressee 
John Herschel Project in contributor 
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1840-1849::1843::06 in date 
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From:
Robert Hunt
To:
Sir John Herschel
Date:
[7 June 1843]
Source of text:
RS:HS 10.101
Summary:

Is grateful for the very interesting photograph; will keep the preparation secret if he discovers it. Has been trying many experiments with benzoates with curious results, but bad weather has stopped progress so has now turned to thermography to test the truth of Mr. Prater's conclusions. Comments on these.

Contributor:
John Herschel Project
Document type
Transcription available