拍品 311
311
A 19th-Century silver-plated brass single arm protractor,
A 19th-Century silver-plated brass single arm protractor,

細節
A 19th-Century silver-plated brass single arm protractor,
signed Elliott Bros. London, with vernier, magnifying glass and two pointers, in fitted mahogany case -- 10½in. (26.7cm.) wide

See Illustration