Search: Herschel, John in correspondent 
Babinet, Jacques in correspondent 
1860-1869::1863 in date 
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From:
Jacques Babinet
To:
Sir John Herschel
Date:
[15 February 1863]
Source of text:
RS:HS 3.5
Summary:

Regarding the gravimetric balance.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Jacques Babinet
Date:
[19 February 1863]
Source of text:
RS:HS 19.151 (C: RS:HS 24.10)
Summary:

Suggestions on improving JB's gravimetric balance, constructed on principle of 'Bifilar suspension.' Refers to 1861 report of similar invention by J. A. Brown and another article on this topic.

Contributor:
John Herschel Project