$34.88

Frederick Post Versalog 1460 Slide Rule Hemmi Bamboo Japan Leather Case Vintage

$8.74

Love Packing Co. in Benzonia Michigan PROFIT MARK-UP CALCULATOR slide-rule style

$22.99

Vintage Keuffel & Esser K&E 4081-3 Slide Rule w/ Original Leather Case - 1947

$10

PICKETT & ECKEL Alameda, Calif., Model No. 200 Slide Ruler, Leather Sleeve

$15

Vintage Slide Rule -- Post Versatrig #1450 Hemmi Japan Nice Case All Excellent

$124.95

Keuffel & Esser 4081-5 Log Log Duplex Decitrig Slide Rule W/ Case 20 inches 1947

$153.04

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

$47.99

Vintage Pickett N520T USAF "all metal" slide rule w/ original case & box

$13.99

Vintage RB&W Structural Bolt Strength Properties Slide Chart Cardboard USA

$12.85

Vintage Keuffel & Essler Slide Ruler Leather Case

$6.19

Vintage 1947 Keuffel & Esser Company Doric N9081-3 Slide Rule w/ Case *READ*

$29.99

Vintage Aristo / Charvoz No. 0970 Slide Rule with Leather Case – Made in Germany