Brass 3-inch Refracting Telescope by Negretti & Zambra, No. 1464, engraved on the back plate Negretti & Zambra, London, NZ, with 37-inch lg. tube, rack-and-pinion focusing with eyepiece extension stamped Broadhurst, Clarkson & Co., (later) thumbscrews to compass joint, on tapering pillar threaded to extending mahogany and brass tripod.
Brass 3-inch Refracting Telescope by Negretti & Zambra, No. 1464, engraved on the back plate Negretti & Zambra, London, NZ, with 37-inch lg. tube, rack-and-pinion focusing with eyepiece extension stamped Broadhurst, Clarkson & Co., (later) thumbscrews to compass joint, on tapering pillar threaded to extending mahogany and brass tripod.
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.jpg "Source: Christie's")
.jpg "Source: Christie's")
