$44

2023 DEF CON 31 Convention Human Badge

$39.99

Vintage / Antique The brown Instrument Co Fahrenheit Meter 21894

$19

SPECIALTY TOOL - GERMANY - - CONVERTOR - INCHES TO FEET VINTAGE

$37.88

BOFA D423 Drafting Tools Machine Stationery Drawing Instruments Chrome Plated

$13.53

VINTAGE UNIQUE UNIVERSAL 1 SLIDE RULE MODEL UI MADE IN ENGLAND

$18.27

STUART MODELS LIVE MODEL STEAM ENGINEERING ORIGINAL 1981 PRODUCT RANGE CATALOGUE

$273.75

Vintage Precision Torque Balance Meter – Made in Holland – Industrial Laboratory

$54.13

FABER-CASTELL SLIDE RULE / RECHENSCHIEBER nr. 52/80

$24.36

Antique Ebony & Brass Parallel Gauge With Unis France Mark Maritime Draughtsman

$99.99

JOURNAL of ENGINEERING EDUCATION JEE Desk Weights Paper Weight Mini Promo Swag

$83.9

Vintage Technical Drawing/Draughtsman Instruments

$130.45

Trebuchet Scale Of Pharmacy Chêne And Brass Period 19th No