Search: John Herschel in collection 
Herschel, John in correspondent 
1840-1849::1842::09::26 in date 
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From:
George Biddell Airy
To:
Sir John Herschel
Date:
[26 September 1842]
Source of text:
RS:HS 1.113 (C: RGO 6.427.72)
Summary:

Encloses the Chancellor of the Exchequer's letter concerning Charles Babbage's calculating machine.

Contributor:
John Herschel Project
From:
John William Draper
To:
Sir John Herschel
Date:
[26 September 1842]
Source of text:
RS:HS 6.502
Summary:

Sending a Daguerreotype impression of the spectrum. Comments on this. Is publishing a work on the chemical rays.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[26 September 1842]
Source of text:
RS:HS 19.98
Summary:

Sends two dozen more papers on barometer graphs. Must have all papers on subject by January. Pleased with WB's lunar observations.

Contributor:
John Herschel Project