细节
A 19th-century 2¾-inch refracting telescope,
signed on the back-plate ADAMS., LONDON, with tapering mahogany body tube 43in. (109.2cm.) long; rack and pinion focusing and lens cap, raised on a tapering pillar support and tripod stand, the cabriole legs terminating in pad feet
See Illustration
signed on the back-plate ADAMS., LONDON, with tapering mahogany body tube 43in. (109.2cm.) long; rack and pinion focusing and lens cap, raised on a tapering pillar support and tripod stand, the cabriole legs terminating in pad feet
See Illustration