Search: Herschel, John in correspondent 
Lubbock, John William in correspondent 
Herschel, John in author 
1840-1849::1844 in date 
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From:
Sir John Herschel
To:
John William Lubbock
Date:
[1844-12-27 or earli
Source of text:
Oxford History of Science Museum 58/5
Summary:

Mostly news of JH's family; JH inquires as to the state of health of JL's mother.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Lubbock
Date:
[1844-12-29 or later
Source of text:
Oxford History of Science Museum 58/7
Summary:

JH expresses some concern about the accuracy of a wet bulb thermometer, as he is not clear about the nature of the experimental base for its use.

Contributor:
John Herschel Project