a brass single-arm drawing protractor

BY J.M. KLEMAN & ZOON, AMSTERDAM, EARLY 19TH CENTURY

细节
a brass single-arm drawing protractor
By J.M. Kleman & Zoon, Amsterdam, early 19th Century
signed J.M. Kleman & Zoon Fecerunt Amstd - in fitted case
37cm. long

拍品专文

See illustration