Santa Cruz Biotechnology (SCBT) - 1960's Magic Brain Calculator. #SoCool #Math #Antiques

3906-09 - 2005 37c American Scientists - Mystic Stamp Company

Amdsoc Old Fashioned Antique Calculator, Precision Miniature Hand Crank Calculators, Functioning Normally Collection, 115.5CM : Office Products

Antibodies, Gene Editors, Chemicals & Lab Supplies For Research

One Hit Wonders

SCM - Smith Corona Marchant - Vintage Computer Chip Collectibles, Memorabilia & Jewelry

Unopened package Includes instructions, Calculator and Stylus are both metal

Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in Hong Kong

Antibodies, Gene Editors, Chemicals & Lab Supplies For Research

One Hit Wonders

Magic Brain Calculator-original Pocket Math Device-1960s-made in Japan

ST Math A Program For Conceptual Understanding