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 1–2 of 2 items
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.