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

Pickett How to Use Dual Base Slide Rule Exponential Ln-L Scales Maurice Hartung

Pickett Dual Base Slide Rule Exponential Ln- L Scales Supplement by M.L. Hartung

Pickett Slide Rule Booklet 1960 "How To Use TRIG Slide Rules" Maurice Hartung +

VTG Pickett Model Original " HOW TO USE YOUR SLIDE RULE " Manual & Box ONLY

PICKETT SLIDE RULE ORIGINAL BOX (BOX ONLY) GREAT CONDITION

Pickett Slide Rule Manual How-To Use Slide Rules Log Log Mint

Antique 1953 How To Use Pickett Dual Base Log Log Slide Rules Pickett & Eckel Co