Search: Herschel, John in correspondent 
1840-1849::1841::05::21 in date 
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Herschel532

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[21 May 1841]
Source of text:
RGO 6.340.320
Summary:

Does not expect to come to the meeting [see GA's 1841-5-18], but sends comments on altered sections of the draft report.

Contributor:
John Herschel Project

Herschel1922

From:
Sir John Herschel
To:
John William Lubbock
Date:
[21 May 1841]
Source of text:
DMC 695A.885.9
Summary:

Is unable to come to London for the Standards Commission meeting and thus will also not be able to come to the dinner party. Encloses some recent photographs.

Contributor:
John Herschel Project

Herschel3807

From:
Sir John Herschel
To:
Robert Hunt
Date:
[21 May 1841]
Source of text:
George Eastman House, 7.17 (C: RS:HS 22.87)
Summary:

Thanks RH for his 'extensive and instructive view on the present state of photography.' Found many interesting results in experimenting with vegetable substances. Surprised by RH's discovery that bi-chromate of potash is a photographic substance; JH nearly achieved this result.

Contributor:
John Herschel Project
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