From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
[2 December 1861]
Source of text:
RS:HS 14.317
Summary:
Forwards letter to HR from [L.-F.-C.?] Breguet, who desires to construct a metallic thermometer for JH. HR requests quick reply from JH.
Contributor:
John Herschel Project