Details
A brass and steel part drawing set,
by Negretti & Zambra, with two pens with ivory handles, an ebony and brass parallel rule, a brass protractor, in mahogany case -- 7¾in. (19.6cm.) wide; and another (part) drawing set in a rosewood box (2)
by Negretti & Zambra, with two pens with ivory handles, an ebony and brass parallel rule, a brass protractor, in mahogany case -- 7¾in. (19.6cm.) wide; and another (part) drawing set in a rosewood box (2)