Rare Antique 13.5" Boxwood FARMAR"S Royal Letters Patent PUBLICANS SLIDE RULE

Vintage German 1960s ARISTO 0971 Hyperbolog Engineers Slide Rule Case Manual Box

EARLY RARE ARCHBUTT OF LONDON BRASS PROTRACTOR 8 INCH DIAMETER IN BOX

Vintage Draughtsman Architect Technical Drawing Sets in Original Wooden Box

SECTOR OR PROPORTIONAL COMPASS. SCIENTIFIC DRAWING INSTRUMENT. VERY GOOD.

Antique Technical Drawing Set In Wooden Case & Another As Found

Vintage T Cooke & sons of York theodolite level WD 1894 boxed in nice condition

Pantograph Hall Harding Brass Vintage Drawing Instrument Rare England Wood Case