$128.27

A Vintage Compass/Drawing Instrument Set by A.C.Thornton Manchester

$60.76

Vintage USSR Russian Engineering Drawing Set. Full 14 pcs

$20.25

Unique Log - Log Slide Rule with Instruction Booklet

$20.25

Vintage Soviet lagorithmic ruler 1974 USSR Сalculator Mathematical calculations

$24.3

Vintage Drawing Surveying Instruments x 5

$5.53

1953 POPULAR SCIENCE APRIL WHO IS BUILDING THE BEST BOMBER ALL ABOUT 18 LITTLE

$27

Vintage catalogue Precision Instruments micron rokel JLA J lucien agenon 1960

$40.49

Draughtsman Drawing Set by Schoenner Germany

$254.25

Rare THALES Mechanical Calculator - VERY GOOD CONDITION

$20.25

Faber - Castell No. 883-Z2 Architect's Scale Rule

$877

HEXE Nuclear resonance gyro in display case.

$40.49

Vintage AF Switzerland Watchmakers compass