$142.54

Old Dial Comparator Micrometer by Pierre Roch Rolle Switzerland + Case 1900

$100

Experiments on the Distillation of Acids, volatile Alkalies, &c. - 1768

$20

Industrial Scientific Instruments, Inches-Millimeters Conversion Calculator

$24.99

HORSEHAIR BRUSH VINTAGE 100% HORSE HAIR #0723 LONG HANDLE WOOD SOFT BRISTLES.

$437.68

Vintage Instrument Set, German, Technical Drawing, Riefler, Munich, Circa 1950

$60

Cause of the Ascent of Vapour and Exhalation, and those of Winds - 1757

$14.22

Professional Artist Proportional Scale Divider Drawing Tool - Scale Value Finder

$21.53

Vintage A G Thornton Ltd P.I.C. No:179 Slide Rule with Cover

$42.5

Vintage Morse HS 1/6 RH made in USA

$26.92

Vintage 15" Marine Engineers Wooden Office RULER Made in USA,HUDSON ENGINEERING

$12.11

VINTAGE No.81 PERSPEX CIRCE TEMPLATE BY A&W TRU-BILT AMERICAN COMPANY ARCHITECT

$26.93

Vintage Precision Instruments Made in Germany Drawing Set Drafting Compasses