$28.99

Vintage ACU-MATH 6.5" Pocket Slide Rule No. 1211 w/ Leather Sleeve

$22.8

Frederick Post No 1447 Slide Rule In Original Box Vintage 1970s - Japan

$6

The Metric Converter Slide Ruler Conversion Chart Vintage INSTITUTIONAL SERVICES

$11.55

Vintage Frederick Post #1447 Bamboo Slide Rule / Hemmi Japan / 11"/with Case

$39.95

Magnificent Vintage Circular Concise No. 28N Slide Rule | Yellow Case | Japan

$26.98

VTG K&E Keuffel & Esser Co PRE - Log Log Slide Rule (692308) Circa 1938 w/ CASE

$18

Vintage Keuffel and Esser Slide Rule 4055

$53

VTG Concise 600 Circular Slide Rule Scientific Calculator Data Tables

$25

Vintage Pickett & Eckel Slide rule with pouch and book model 1010-T

$36.59

Vintage Fuji Slide Rule No. 81 Bamboo K DF Japan Leather Pouch

$7.99

Vintage Westinghouse Transformers Boost & Buck Applications Slide Chart for KVA

$89.99

NEAR MINT | American Blueprint Artillery Slide Rule SS-369.2 | Unused U.S. Case