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Bidwell, J. E. in correspondent 
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From:
Sir John Herschel
To:
J. E. Bidwell
Date:
[23 December 1841]
Source of text:
RS:HS 5.62 & 22.104
Summary:

Regarding the advisability of purchasing a patent in the photographic process.

Contributor:
John Herschel Project
Document type
Transcription available