细节
A chart protractor and a compass:
the protractor by Stanley, London, in lacquered brass with 360-degree scale and revolving arm with vernier, in mahogany case with Stanley trade label; the surveying compass with silvered dial and scale, folding sights and octagonal bezel, in octagonal copper case -- 4.1/8in. (10.5cm.) wide (2)
the protractor by Stanley, London, in lacquered brass with 360-degree scale and revolving arm with vernier, in mahogany case with Stanley trade label; the surveying compass with silvered dial and scale, folding sights and octagonal bezel, in octagonal copper case -- 4.1/8in. (10.5cm.) wide (2)