$2.95

Vintage HOMCO Angle Drift Vertical Depth Indicator Slide Chart Copyright 1949

$25

VTG PICKETT SLIDE RULE CLEVELAND INSTITUTE OF ELECTRONICS W/LEATHER CASE F7

$12.99

GA Richey Sons Machine Tools Lighter Indianapolis w/Box Untested

$24.99

Vintage Rockford Clutch 1965 Slide Rule Perrygraff Corp Maywood Illinois USA

$18

Ruler Scientific instrument co. made in Japan Classic Case Leather Year 1964

$90

Vintage Pickett 4‑T Vector Log‑Log Slide Rule – Early White Aluminum – USA

$25

Frederick Post Co. Versalog 1460 Hemmi Slide Rule w/Leather Case

$15.99

Vtg Set of Buss Slide Rule calculators Motor Protection Guide Circuit Protection

$22

Lot of 2 Vtg Slide Rules K&E Keuffel & Esser 4080-3S and Weber # 4285-N

$8.5

Vintage Precision Sterling Slide Rule Drafting Engineering Tool Made in USA

$28.99

1947 KEUFFER ESSLER SLIDE RULE N4081-3 LOG LOG DUPLEX DECITRIG w LEATHER CASE

$8.49

Aluminum Circuit Calculator ©1970 Slide Rule Perrygraf Aluminum Association NY