$107.74

Vintage Hope Japan Precision Slide Rule Complete with Manual No 530

$37.92

Vintage J HEMMI Japan SUN Patents 22129 107562 BAMBOO POCKET 6" SLIDE RULE Cased

$16.16

Antique London ADVERT Ruler WIGGINS Teape 5" manufacturer of gateway papers

$27.26

1961 Twin Disc Clutch Company Hydrodynamic Drive Engineering Catalog Rockford IL

$13.47

Selection Of 5 Vintage Compasses Precision Draughtsman Science Instruments

$18

Keuffel & Esser Vintage Slide Ruler K&E 6'' Slide Rule Leather Case 4097D

$27.26

1967 Timken Roller Bearing Company J-Line Engineering Journal Catalog Canton OH

$67.34

Steel Precision measuring band 50m Land Surveying

$39.99

Vintage 90s ALBERT EINSTEIN 10 Reasons To Become An Engineer T Shirt XL 50% 50%

$134.66

Rare Antique Albert Nestler 23AR Slide Rule In Case

$21.55

Thornton PIC 281 Student log slide rule calculator in original case, vgc

$24.24

ANTIQUE ROSEWOOD AND BRASS 6" PARALLEL RULER (54A)