$7.5

1969 Buss Motor Protection Guide Calculator Slide Rule Chart Vintage

$19.95

Vintage KEUFFEL & ESSER N4058W Beginners Slide Rule Ruler

$69.9

SUN HEMMI 130W BAMBOO SLIDE RULE & PLASTIC CASE JAPAN VINTAGE

$59.99

Vintage Slide Rule Lot – K&E 4058 w/ Case, German Universum System Reitz, French

$19.6

(3) Vintage Slide Rules: General Aerospace, Associated Spring Corp, Kelsey Hayes

$49.99

Vintage AW Faber-Castell 111/98 Elektro Slide Ruler-In Case-Made In Germany

$19

Vintage The Frederick Post Co. Slide Rule #1447 Engineer’s Tool Collectible

$24.95

Keuffel & Esser 4053-3 Slide Rule N4053-3 Vintage Made In USA

$31.5

Vintage POST versalog Engineer Slide Rule W/ Brown case 1460 Hemmi Bamboo Japan

$12.5

Vintage Keuffel & Esser Co. *Beginner Slide Rule *N4058W NY *Made in USA K&E VTG

$13.9

Vintage KEUFFEL & ESSER K&E Beginner's Slide Rule N4058W with Original Case USA

$49.99

PICKETT MODEL N803-ES 10” SLIDE RULE w/ LEATHER CASE