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Regnault, Henri Victor in correspondent 
Herschel, John in addressee 
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From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
n.d.
Source of text:
RS:HS 14.319
Summary:

Sends photographs from study of trees. Has news from Mr. Stewart. Is attempting to complete his works on gases and vapors. Also working on treatise on physics. Wishes to see his work also published in English.

Contributor:
John Herschel Project
From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
1857
Source of text:
RS:HS 14.320
Summary:

Discusses his itinerary for the British Isles. Gives address where he may be reached. Wishes to visit JH at Collingwood. Congratulates JH on his improved health.

Contributor:
John Herschel Project
From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
[10 August 1857]
Source of text:
RS:HS 14.314
Summary:

Regrets deeply having missed seeing JH. Sends greetings to JH's family. Enjoyed trip around British Isles. Will now continue scientific work.

Contributor:
John Herschel Project
From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
[1858?]
Source of text:
RS:HS 14:312
Summary:

Will ask Parisian doctors for information JH wanted and transmit it immediately. Hopes change of air will improve JH's health. Regrets JH is not closer to the capital so that the best doctors could help. Is writing Mr. Royer to ask him to write to JH.

Contributor:
John Herschel Project
From:
Henri Victor Regnault
To:
Sir John Herschel
Date:
[1858?]
Source of text:
RS:HS 14.313
Summary:

Expects that JH has received instructions sent through Mr. Royer. Informs JH that HR is sick and will visit some friends to recuperate.

Contributor:
John Herschel Project
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
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