Vtg Acu-Rule Slide Rule w/Original Box ~ A B C D K Scale (Damaged Box)

Acu-Math Slide Rule w/ Sleeve / Original Box

Lietz Dual 10/5 Pocket Slide Rule With Leather Case. Made in U.S.A.

Vintage Mannheim Professional Acu-Math No.311 Slide Rule & Case

Vtg Acu-Rule Slide Rule w/Original Box ~ A B C D K Scale (Damaged Box) Festus

Vintage Acu-Math Model #40 Slide Rule w/Case USA Slide Ruler READ w/ Sleeve

Vintage 1965 Sterling no. 594 Slide Rule, Decimal Trig Multi-Log, 22 scales, 12"

VINTAGE SUN HEMMI JAPAN 4” BAMBOO SLIDE RULE Japan