$24.74

Vintage Blood Pressure Monitor

$29.63

Vintage Drawing Set HELLERMAN Compass Dividers Extension 2 Extra Points

$41.28

Vintage Decorative Scale

$45

Rare Vintage Soviet Arithmetic ruler Calculator Mechanical Slide Addiator USSR

$25.57

Vintage Brass And Steel 7” Dividers By W&HC

$121.2

drawing instruments

$16.16

Vintage Scale Rule FABER CASTELL 2753/BA7 Eight scales Draughtsman Architect

$370.34

An Antique George III shagreen draughtsman’s etui case and contents

$61.86

Rare Small Anthropomorphic Silver Metal Child Carrier XIXth Century Trebuchet

$449

1921 AGFA BLITZLAMPE POWDER FLASH LIGHT PHOTOGRAPHIC LAMP GERMANY

$162.15

Vintage Mechanical Calculator Precisa Model 117 – Switzerland – Functional

$65

1953 MEASURES & METRIC SYSTEM Historical Book Russian Soviet Edition I.Depman