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