William Herschel's Forty-Foot Telescope
Change log
Authors
Bunce, J.
Walker, J.
Abstract
Engraving by J. Walker of a drawing by J. Bunce of the Forty-Foot telescope built in Slough by Sir William Herschel in 1787.
Description
Original is 44x61 cm, but scanned image is less than 30x30 cm.
Keywords
telescopes, reflecting telescopes