From:
Sir John Herschel
To:
George Biddell Airy
Date:
[10 April 1842]
Source of text:
RGO 6.463.300
Summary:
Sends GA a spectrum photograph, and explains how JH obtained it.
Contributor:
John Herschel Project
Showing 1–4 of 4 items
Sends GA a spectrum photograph, and explains how JH obtained it.
Returns photographs of spectrum, with observations on the results.
Sends GA two more spectrum photographs [see JH's 1842-4-10], and believes that these may lead the way to color photography.
Returning photographs, with observations. Regarding the transport of loads in hilly country. Remarks on the transcription and pronunciation of foreign languages.