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Details
A late 18th-Century triple vernier reflecting circle by Troughton
the oxcidised brass frame signed and numbered Troughton London 162 with polished brass arc and inset silvered scale divided 0°- 380° and 0°- 150°, each vernier stamped A, B, C, vernier 'A' with clamp and tangent screw fine adjustment, universal counter-balanced magnifier, sighting tube, six shades, two mirrors, shaped mahogany handle, threaded and turned main ebony handle -- 10¾in. (27.3cm.) diameter, contained within later wooden box -- 12in. (30.5cm.) dia
See illustration
the oxcidised brass frame signed and numbered Troughton London 162 with polished brass arc and inset silvered scale divided 0°- 380° and 0°- 150°, each vernier stamped A, B, C, vernier 'A' with clamp and tangent screw fine adjustment, universal counter-balanced magnifier, sighting tube, six shades, two mirrors, shaped mahogany handle, threaded and turned main ebony handle -- 10¾in. (27.3cm.) diameter, contained within later wooden box -- 12in. (30.5cm.) dia
See illustration
Special notice
No VAT will be charged on the hammer price, but VAT at 17.5% will be added to the buyer's premium which is invoiced on a VAT inclusive basis.