Vintage Hilger & Watts SS26-1 Surveyor's Precision Instrument Thedolite

Antique Draughtsmans Railway Curves x 37 Lechertier Barbe - London, Mahogany Box

Rare vintage Stanley Stay Rule (circular slide rule - GPO / War Department)

Faber Castell Ruler No 57/87 Vintage School Slide Rule for Draughing Drawing

Antique Drawing Instrument set /Wood cased Draughtsman's Drawing Instrument set

Wild Heerbrugg Theodolite T2000s

Antique Stanley London Draughtsman Wood Curve Set (101) Original Box + Key

Rare Vintage Philips Miniwatt Advertising Slide Rule In Case