From:
Sir John Herschel
To:
Warren de La Rue
Date:
[27 August 1859]
Source of text:
RS:HS 23.272
Summary:
Requests information about specula for telescopes, especially silvered glass ones.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Requests information about specula for telescopes, especially silvered glass ones.
Discusses a telescope ordered for C. A. von Steinheil of Munich and the design of WR's glass polishing machine. Mentions visit by Thomas Maclear. Kew Telescope produces photos of sunspots.