From:
Sir John Herschel
To:
William Whewell
Date:
[28 August 1839]
Source of text:
B.A.A.S. Report for 1839 (1840), pt. 2, 9-11 & Athenaeum, #621 (Sept. 21, 1839)
Summary:
Reports to the B.A.A.S. [through WW as section president] on experiments JH has conducted concerning the photochemical effects of the rays at the far red end of the spectrum.
Contributor:
John Herschel Project