Anodized Box Sextant by Potter

Description:

Anodized Box Sextant by Potter, London, with silver scale, vernier adjusted by a knurled knob and magnifier, above the scale marked with maker's name Potter, (illegible),London, removable knurled knob used as a tool to adjust the horizon mirror, filters and bayonet mount cover stamped 451, dia. cased, 3 1/8, ht. 1 5/8 in.
Estimate $200-400

Lacking small telescope.

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