Search: 1820-1829::1826::09::17 in date 
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From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[17 September 1826]
Source of text:
TxU:H/L-0571.2; Reel 1058
Summary:

Studying the volcanoes of Auvergne; hopes to use his newly-created actinometer at the Puy de Dôme.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[17 September 1826]
Source of text:
TxU:H/L-0518.4; Reel 1053
Summary:

Describes region around St. Flour, where servant James Child was seriously ill for two days. Low opinion of French physicians. Journey to Montpellier.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[17 September 1826]
Source of text:
Science Museum Talbt 1/3
Summary:

Thanks WT for bringing to JH Josef Fraunhofer's publications and Franz Gruithuisen's plates. Recounts JH's geologizing in France and JH's efforts to measure solar radiation.

Contributor:
John Herschel Project