Brass Theodolite by Edmund Draper

Description:

Brass Theodolite by Edmund Draper, Philadelphia, with 4 1/2-inch diameter silvered dial with seven-point star at North, needle ring divided 0-90 in four quadrants, needle and clamp, horizontal circle with vernier and 10 1/2-inch lg. telescope with bubble-level mounted on tapering brass pillars, on four leveling screws, ht. 13 in., in mahogany case.
Estimate $600-800

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