细节
An early 19th Century single draw telescope
constructed in brass and mahogany signed Watkins & Hill, Charing Cross, London and further stamped CUSTOMS 1827, dust-slide to eye-piece, main lens 1½in. dia, (the tube with old wear and split) -- 29in. (74cm.) long extended
See illustration
constructed in brass and mahogany signed Watkins & Hill, Charing Cross, London and further stamped CUSTOMS 1827, dust-slide to eye-piece, main lens 1½in. dia, (the tube with old wear and split) -- 29in. (74cm.) long extended
See illustration