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A fine quality mid 19th century mahogany cased lacquered brass circular protractor by Troughton & Simms, London, having rack and pinion movement with two hinged marker pins
SOLD FOR £150
A fine quality mid 19th century mahogany cased lacquered brass circular protractor by Troughton & Simms, London, having rack and pinion movement with two hinged marker pins
SOLD FOR £150