Vintage Map Measuring Tool Wheel With Box - Germany - Collectible (2212)

Vintage Fuller's Spiral Slide Rule or Calculator by John Davis with Case c1944

The Linen Industry Research Association GOOD DRAFT INDICATOR slide rule, plastic

ANTIQUE BREWER'S SLIDE RULE

British Thornton AD 050 1970s Vintage Log Slide Rule + Hard Case

Vintage UTO Slide Rule In Leather Case

RARE Keuffel & Esser Co. Log-Log Duplex Slide Rule No. 4092 (Not -3!) Early Rule

PIC 3650 SLIDE RULE 1950’S RARE GOOD CONDITION - A G Thornton With Case.