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Piddington, Henry in correspondent 
Herschel, John in addressee 
1840-1849::1845 in date 
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From:
Henry Piddington
To:
Sir John Herschel
Date:
[3 September 1845]
Source of text:
RS:HS 13.403
Summary:

Is sending JH some powder that HP thinks might be a good compound for polishing telescope specula.

Contributor:
John Herschel Project
Document type
Transcription available