From:
George Biddell Airy
To:
Sir John Herschel
Date:
[21 April 1842]
Source of text:
RS:HS 1.104 (C: RGO 6.463.302)
Summary:
Returns photographs of spectrum, with observations on the results.
Contributor:
John Herschel Project
Showing 1–4 of 4 items
Returns photographs of spectrum, with observations on the results.
Returning photographs, with observations. Regarding the transport of loads in hilly country. Remarks on the transcription and pronunciation of foreign languages.
Sends GA a spectrum photograph, and explains how JH obtained it.
Sends GA two more spectrum photographs [see JH's 1842-4-10], and believes that these may lead the way to color photography.