A Fine portable compass by C.W. Dixey, London circa 1850

SOLD A Fine portable compass by C.W. Dixey, London circa 1850, silvered dial, chapter ring as per title and inscribed 3 Bond Street London, with lacquered brass hinged gnomon, latitude arm, bed plate with twin bubble levels and adjustable pin feet, contained in plush-lined Morocco case of issue with equation of time in base and securing hooks, diameter 10cm