Slide Rules

Vintage FABER CASTELL 1/75 Germany Slide Rule With Case Rietz Very Nice

$37.0

(5) VTG Slide Rule Manual Handbook Instructions Polyphase Log Duplex Practical

$32.99

Vintage 1940’s J. B. Carroll Military Circular Slide Rule M1 B174703 Canvas Case

$75.0

Keuffel & Esser Slide Rule N.Y. Pat. 1900s Vintage K&E Math Tool w/ Case

$50.0

Vintage Kennametal Cutting Speed Removal Rate & H. P. Calculator & Instructions

$15.0

2 1940's Era Keuffel & Esser N4081 Slide Rules N4081-3 & 4081-3 + Leather Cases

$74.99

Keuffel Esser K & E Deci-Lon Slide Rule 68 1100 Original Box Leather Case

$175.0

Aristo Multi Rietz Charvoz Nr 929 Slide Rule GERMANY W/Leather Case VINTAGE

$20.0