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DOLLOND, EARLY 19TH CENTURY
细节
A 2-inch refracting telescope
Dollond, Early 19th century
the 28in. long body tube signed on the backplate DOLLOND LONDON, with rack and pinion focusing, on tapering brass column with folding tripod feet.
19in. (49cm.) tall
Dollond, Early 19th century
the 28in. long body tube signed on the backplate DOLLOND LONDON, with rack and pinion focusing, on tapering brass column with folding tripod feet.
19in. (49cm.) tall