细节
A 19th-century brass 2½-inch refracting telescope,
signed on the back plate Tulley & Sons ISLINGTON, LONDON, the 43in. (109.2cm.) long body-tube with rack and pinion focusing star-finder, (defective, tripod missing)
signed on the back plate Tulley & Sons ISLINGTON, LONDON, the 43in. (109.2cm.) long body-tube with rack and pinion focusing star-finder, (defective, tripod missing)