LAWRENCE 10-B DELUXE SLIDE RULE IN ORIGINAL BOX

Vintage Lawrence Slide Rule 10-b with Original Case

Lawrence Slide Rule 10-B, Rare MAGNIFYING CURSOR, Original Box, Instruction Book

Vintage Lawrence Engineering Service 10-B Slide Rule, 1940s

Vintage Lawrence Engineering Service Slide Rule 10-B USA Indiana

Vintage Lawrence Engineering Service Deluxe Slide Rule, original box Made in USA

Vintage Lawrence DeLuxe Slide Rule 10-B with Box MADE IN USA

Vintage LAWRENCE No. 10-B Slide Rule with original case.