$8.99

Metric Converter From Completion Serviced - Locations In Louisiana

$9.91

TOSHIBA BC-1015 Vintage Electronic Calculator

$8

Vintage LIBBEY OWENS FORD-Sterling Pocket Metric Converter

$12.95

Fenwal Electronics Thermistor Data & Curve Computer Slide Rule 1960s

$39.99

vintage logarithmic ruler

$16

Keuffel & Esser K-12 Prep Slide Rule Made in USA with Case

$7.99

Acu-Math No. 400 12" slide rule in Leather Case Made in USA

$9.99

GUEDON Pocket Slide Rule With Leather Case No. FRANCE

$44.99

Aristo Studio Slide Rule GERMANY in Plastic Case

$6.99

Versalog-Slide Rule Instructions 1951 Book

$54

Frederick Post Co Slide Rule Versalog 1460 Hemmi Engineering Calculator Vintage

$14.95

Torrington FAFNIR Kilian Pocket Reference Slide Chart Tool Steampunk