Search: Herschel, John in correspondent 
Wheatstone, Charles in correspondent 
1830-1839::1839 in date 
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Herschel1130

From:
Sir John Herschel
To:
Charles Wheatstone
Date:
[1839?]
Source of text:
RS:HS 25.11.12
Summary:

Too ill to attend a demonstration by CW of one of CW's instruments [?].

Contributor:
John Herschel Project

Herschel7946

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
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