Search: Herschel, John in correspondent 
Regnault, Henri Victor in correspondent 
1860-1869 in date 
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Herschel2942

From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
1861
Source of text:
RS:HS 14.316
Summary:

Talked to [L.-F.-C.?] Breguet for JH. Discusses work [on hygrometer?/metallic thermometer?] in detail, including diagrams. Regrets not having seen JH's daughters in Paris. Says he is recuperating from the 'catastrophe' and can still use his left eye.

Contributor:
John Herschel Project

Herschel2943

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

Herschel2070

From:
Sir John Herschel
To:
Henri Victor Regnault
Date:
[11 December 1861]
Source of text:
RS:HS 14.318 (C: RS:HS 23.356)
Summary:

Describes objections to proposed metallic thermometer. Describes another simpler design for a metallic thermometer. Will ask [William] Sykes to consider HR's design.

Contributor:
John Herschel Project
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