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Wheatstone, Charles in correspondent 
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From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[23 August 1825]
Source of text:
RS:HS 18.144
Summary:

Appreciates JH's interest in and encouragement of CW's experiments. Describes new experiments to elucidate theory of undulatory motion of sound and light. Invented 'kaleidophone' to display paths of vibrating rods. Hopes JH can confirm these results.

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
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[13 May 1835]
Source of text:
RS:HS 18.146
Summary:

Returns Mary Herschel's repaired concertina. Sends CW's recent paper on velocity of electricity [R.S.P.T. 124 (1834)]. Electrical experiments CW is planning. Appointed professor of experimental philosophy at King's College.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[25 February 1839]
Source of text:
RS:HS 18.147
Summary:

Invites JH to Kew Green to see Francis Bauer's plates etched by J. N. Niepce's photographic process. Perhaps L. J. M. Daguerre assumes more credit than is due. Heard Niepce visited London in 1826, but his paper was rejected by R.S.L. at W. H. Wollaston's urging.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[13 December 1841]
Source of text:
TxU:H/M-0145.1; Reel 1087
Summary:

Agrees to meet JH and Edward Sabine on Saturday. Kew Observatory was given to R.S.L., but R.S.L. has not yet taken possession of it. [JH annotation: election of General Morrison to R.S.L.]

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[13 June 1842]
Source of text:
RS:HS 18.148
Summary:

Encloses B.A.A.S. statement of objectives for Richmond Observatory, for which B.A.A.S. Council asks JH to organize goals and support annual subsidy.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[22 March 1845]
Source of text:
RS:HS 18.150
Summary:

Agrees that vacancy in chemistry professorship left by J. F. Daniell's death at King's College should be filled by Robert Hunt, but W. A. Miller appears likely to get job.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[30 April 1846]
Source of text:
RS:HS 18.151
Summary:

Gives JH directions to Kew Observatory.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[28 December 1847]
Source of text:
RS:HS 18.152
Summary:

[George Eden] Lord Auckland seeks meteorological 'reports.' CW will contribute instructions on atmospheric electricity, photometry, and optical meteorology. W. R. Birt will report on meteorological instruments and wind observations.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[26 February 1848]
Source of text:
RS:HS 18.153
Summary:

Seriously ill. Will forward manuscripts to JH by next week.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[10 November 1848]
Source of text:
RS:HS 18.154
Summary:

R.S.L. Physical Committee considering giving Copley medal to W. E. Weber for work in electromagnetism. Does JH concur? Other candidates are F. E. Neumann or A.L. Cauchy in physical optics, and Michael Faraday on condensation of gases. Rumford medal was awarded to H. V. Regnault for work on steam engine.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[30 June 1849]
Source of text:
RS:HS 18.155
Summary:

Will visit JH next week. Describes machine CW will bring to illustrate undulatory theory of light.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[26 July 1849]
Source of text:
RS:HS 18.156
Summary:

Lists seven French and German works [1837-1847] on optical science. Comments on one. Quotes copyright law on reproducing passages from these.

Contributor:
John Herschel Project