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