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Gregorian brass reflector telescope with fine-focusing via a threaded rod on the outside of the tube and a rotating lens lock ring, solid brass base on folding tripod legs, tube marked: “Nairne London” (Edward Nairne, active in Cornhill 1772-1796), in original mahogany case with green felt lining (10.6 × 45 × 18 cm), c. 1770, signs of wear

Stima:€700

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