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From:
William Vernon Harcourt
To:
Sir John Herschel
Date:
23 August [1833?]
Source of text:
RS:HS 9.226
Summary:

Pleased to hear of JH's success with his application to the Treasury. Would like a statement from him on the nature of his communication to the Cambridge meeting concerning the actinometer. Hopes he is not too busy preparing for his voyage.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[23 August 1833]
Source of text:
RS:HS 18.145
Summary:

Accepts JH's invitation to demonstrate [on 28 Aug.] CW's portable optical and acoustical experiments and the 'whirling machine.' Asks JH to supply 'an electrical machine and a good sized jar.' Encloses copy of CW's paper on Jew's harp. Will bring another paper and new 'Symphonion' for Mary Herschel.

Contributor:
John Herschel Project