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Barrow, Henry in correspondent 
1840-1849 in date 
Herschel, John in addressee 
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From:
Henry Barrow
To:
Sir John Herschel
Date:
[15 February 1845]
Source of text:
TxU:H/M-0043; Reel 1062
Summary:

Thanks for JH's valuable information on actinometers. Encloses particulars that HB sent to [J. H.] Kay along with instruments.

Contributor:
John Herschel Project
Document type
Transcription available