#4002 • Slide Rules and Protective Cases

Part of October '26 Consignment (timed auction by The Swicegood Group)

High bid $22.00

Status: Sold

Collection of slide rules and protective cases includes wood and celluloid simplex and duplex rules by Keuffel & Esser Co. and A.W. Faber, fitted with metal-framed and transparent cursors. Markings include a K&E Military Slide Rule model 4054, Beginner's Slide Rule 4058 W, and model N4083-3, accompanied by leather, vinyl, and textured hard storage cases.