$104.85

Keuffel & Esser K&E Deci Lon 10 Slide Rule 68 1100 w/ Leather Case USA - Exc

$59.98

Vintage Rare Rockwell 202 Slide Rule Calculator 1974 In Working Condition

$65

Frederick Post Co. Versalog Slide Rule 1460 Hemmi Japan with Brown Leather Case

$180

Rare vintage JOHN RABONE & SONS boxwood rule made in England.

$20

VTG c. 1949 Frederick Post Slide Ruler #1447 Paper Case Made in Occupied Japan

$64

Sun Hemmi Slide Rule 2664 Made in OCCUPIED JAPAN Bamboo Engineer

$15.44

Vintage Keuffel & Esser K&E Slide Rule 4098A w/ Leather Sleeve 4098 A

$26

Sun Hemmi No. 259 Engineering Slide Rule w/ Leather Case Japan

$19.86

Lawrence DeLuxe Slide Rule Lawrence Engineering Service Peru, Indiana

$9.99

Fredrick Post 1447. Slide Ruler in Original Case Wood Frame Japan

$13

Vintage Booklet "The Quick and Easy Lawreence Slide Rule Instruction Book" 1950'

$13.63

Keuffel & Esser K+E 4053-3 Slide Rule in Leather Case, N4053-3