Title
William Herschel, Telescope
Caption
William Herschel's (1738-1822) reflecting telescope with focal length of 40 feet (12.19m), showing top of brick foundation and wheeled platform on which instrument mounted. Slough, England. Engraving 1809
Date
1809
Credit line
Photo12/Ann Ronan Picture Library
Reference
ARP07096_390001535
License type
Rights managed
Available size
31,7Mb (3,9Mb) / 11,8in x 10,4in / 3543 x 3123 (300dpi)