Vintage Mannheim Type White Slide Rule with Case

2 Vintage Slide Rule Pickett N803-E w/Original Leather Case & Dietzgen No. 1757

Vintage Motorola 2-Way Mobile Radio Calculator 1981 Slide Ruler Calculations

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

Vintage Dietzgen N174L Slide Rule – Vector Type Log – Leather Case & Box

Vintage Slide Rules & Calculators Lot ITT Ohmite Phase Matrix ARRL

Vintage Pickett All Metal Slide Rule N 1010-ES TRIG /Suede Leather Case Book Box

Vintage PICKETT & ECKEL SLIDE RULE LEATHER CASE MODEL N600-T SYNCHRO SCALE 08244