Vintage EUGENE DIETZGEN Maniphase Multiplex SLIDE RULE RULER 1732 w/ Case USA

Vintage Slide Rule

EUGENE DIETZGEN - Vintage Decimal Trig Type Log Slide Rule Cat No B-1734 w/Case

PICKETT & ECKEL Alameda, Calif., Model No. 200 Slide Ruler, Leather Sleeve

Vintage Bruning No. 2398 Pocket Slide Rule Dual-Face Ruler in Box Drafting

Vintage Pickett Student Slide Rule w/Case and Instructions, Apollo Edition

Vintage Diwa Denmark Pocket Size Slide Rule No. 601-1 Carrier Air Conditioning

Vintage 6" Pocket Scale Drafting Rulers (lot of 6)