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

Magic Brain: Last Gasp of the Mechanical Calculator

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

Group of Vintage Adding and Numbering Machines

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

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

Nice example of this pre electronic adding device as first introduced in 1962. This is the original type that was produced in Japan. The pocket sized

Magic Brain Calculator-Original Pocket Math Device-1960s-Made In Japan

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

Magic Brain Instructions

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

Vintage Mechanical Calculator

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