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细节
A late 18th Century brass sector by Troughton
finely calibrated on both sides and signed by the hinge Troughton London, with fitted velvet lined mahogany box (lacks hinges and hooks) -- 13in. (35cm.)
See illustration
finely calibrated on both sides and signed by the hinge Troughton London, with fitted velvet lined mahogany box (lacks hinges and hooks) -- 13in. (35cm.)
See illustration