Antique Mahogany Cased Engineers/Architects Brass Drawing Instruments Set c1900

Antique Mahogany Cased Set Technical Drawing Instrument Set

Vintage AG Thornton's draughtsman precision drawing instrument set - Minerva

Vintage Compass Drafting Set for Technical Drawing

A.G. Thornton DRAUGHTSMAN/ENGINEER PRECISION DRAWING SET in case

A G Thornton Vintage Technical Drawing/Maths Instrument Boxed Set

C.Riefler, Neselwang & München Antique Drawing Set

Antique Technical Drawing Set In Wooden Case & Another As Found