細節
A late 19th-Century lacquered-brass single-arm circular protractor,
signed C.T. COOPER, 86 GT. DOVER ST. LONDON, in mahogany case -- 12.5/8in. (32cm.) wide, and a pocket drawing set with steel and brass instruments and boxwood scale and sector, in fishskin case -- 7in. (17.8cm.) long (2)
signed C.T. COOPER, 86 GT. DOVER ST. LONDON, in mahogany case -- 12.5/8in. (32cm.) wide, and a pocket drawing set with steel and brass instruments and boxwood scale and sector, in fishskin case -- 7in. (17.8cm.) long (2)