$16.92

Vintage A.W. Faber-Castell 1/98 Elektro Slide Rule With Case Made in Bavaria

$13.53

"Unique" Log Log Slide Rule (Made In England) in original box (Miller's Glasgow)

$865

Vintage Ames Precision Rockwell Scales Hardness Tester Model 4 w/ Accessories

$28.42

E.O Richter & Co Vintage Schola Pracision Drafting Drawing Tool Set

$88

nuclear explosion at sea ussr book 1955 moscow military publishing

$275

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

$10.83

My Micrometer Sextant. Heath. (59)

$47.36

Vintage Mechanical calculator for belt conveyors & elevators by Fearns NuT .

$44.66

Verulam Blundell Harding Ruler Collection

$11.75

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

$39.99

VINTAGE 1965 STUDY," GRINDING, MANUFACTURING PROCESS DEVELOPMENT", SANDIA CORP

$20.3

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