An engraving depicting James Nasmyth's 20-inch refractor, the base of which was mounted on a railway turntable. James Nasmyth (1808-1890) a Scottish engineer, inventor, and astronomer. With the extra mirrors, the observer's eye could remain stationary. This style of mounting pioneered new engineering methods for mounting telescopes. Dated 19th century

- Image ID: RJJY4G
An engraving depicting James Nasmyth's 20-inch refractor, the base of which was mounted on a railway turntable. James Nasmyth (1808-1890) a Scottish engineer, inventor, and astronomer. With the extra mirrors, the observer's eye could remain stationary. This style of mounting pioneered new engineering methods for mounting telescopes. Dated 19th century Stock Photo
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An engraving depicting James Nasmyth's 20-inch refractor, the base of which was mounted on a railway turntable. James Nasmyth (1808-1890) a Scottish engineer, inventor, and astronomer. With the extra mirrors, the observer's eye could remain stationary. This style of mounting pioneered new engineering methods for mounting telescopes. Dated 19th century
World History Archive / Alamy Stock Photo
Image ID: RJJY4G