Nasmyth reflecting telescope on turntable stand, 1850-1852
Nasmyth reflecting telescope on turntable stand, 1850-1852
Reflecting telescope, 20-inch aperture with speculum mirror and altazimuth mounting, by James Nasmyth at Patricroft, Manchester, England, 1850-1852. Later the instrument was moved to �Hammerhurst�, Nasmyth�s new home at Penshurst, Kent, when he retired from industry in 1856. (see note)