From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 October 1847]
Source of text:
RS:HS 1.185 (C: RGO 6.368.684)
Summary:
Concerning the method of observation by direct and reflected vision.
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Concerning the method of observation by direct and reflected vision.
About observing stars with the transit circle, and timing the annulus [of an eclipse?].
Was too cloudy to observe the eclipse; very worried about the health of Thomas Maclear.