$9

1944 Illinois Tool Works Catalog E Chicago, IL - WWII era

$12.35

Florida Society of Engineers member lapel pin vintage

$51.42

DARMSTADT NO. 551U DENMARK SLIDE RULE

$40.6

SHELL SLIDE RULE ORIGINAL CASE DRAWING INSTRUMENT vintage FRENCH petrol company

$48

Engineering - Vintage STAEDTLER Mars Lumograph Drawing Drafting Leads No. 200-H

$11.75

Vintage Arclight Radius Curve Drawing Engineering Tool in Original Box 2143/001

$275

BAUSCH & LOMB OPTICAL CO. ENGINEERING INTSR. DEALER SALES BROCHURE CATALOG 1908

$9.47

BLASENSEXTANT MARK IXA RAF Gebrauchsanweisung auf Deutsch (9 D)

$13.52

2 x Vintage scale rules / rulers by Norton & Gregory

$9.98

Ohmite Parallel Resistance Calculator Ohm's Law Calculator Vintage

$20.3

A. W. Faber - Castell No. 883/F1 Architects Scale Rule

$13.53

Rare Vintage UNO Metal Box