Magic Brain Calculator, c. 1950-1969 - Machine, Calculating

File:Vintage Magic Brain Mechanical Pocket Calculator, Made in Japan (11591234036).jpg - Wikimedia Commons

Magic Brain Calculator - A vintage mechanical addiator type calculator, 1950-60s - Aluminium, Plastic, original packaging - Catawiki

Unopened package Includes instructions, Calculator and Stylus are both metal

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

Magic Brain Calculator - A vintage mechanical addiator type calculator, 1950-60s - Aluminium, Plastic, original packaging - Catawiki

Magic-Brain Calculator (2) - Calculator - Computing History

Unopened package Includes instructions, Calculator and Stylus are both metal

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

Magic Brain: Last Gasp of the Mechanical Calculator

The Magic Brain Calculator – I Remember JFK: A Baby Boomer's Pleasant Reminiscing Spot

Magic brain' calculator. C.1955 Science Museum Group Collection

Magic Brain: Last Gasp of the Mechanical Calculator

Vintage 1960s MAGIC BRAIN Pocket Mechanical Addiator Calculator Unpunched NOS

Group of Vintage Adding and Numbering Machines