细节
A late 19th-Century lacquered-brass folding arm protractor,
with silvered scale, signed Elliott Bros., 449 Strand, London, in the original fitted mahogany case -- 7¾in. (19.6cm.) wide
See Illustration
with silvered scale, signed Elliott Bros., 449 Strand, London, in the original fitted mahogany case -- 7¾in. (19.6cm.) wide
See Illustration