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

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

all Harvey Cushing/John Hay Whitney Medical Library

Powerhouse Collection - Two Magic Brain pocket calculators

Magic Brain Calculator with instructions. 1960's.

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

National Museum of American History

Magic Brain Calculator - How to Multiply

Vintage Chadwick Magic Brain Calculator. Made in Japan. Mid century modern. This item is used and has visible scratches and signs of usage. I have

Vintage Chadwick Magic Brain Calculator. Made in Japan Mid century modern.

Magic Brain: Last Gasp of the Mechanical Calculator

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

Magic Brain Calculator with instructions. 1960's.

Vintage Chadwick Magic Brain Calculator. Made in Japan. Mid century modern. This item is used and has visible scratches and signs of usage. I have

Vintage Chadwick Magic Brain Calculator. Made in Japan Mid century modern.

Magic Brain: Last Gasp of the Mechanical Calculator

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

Magic Brain: Last Gasp of the Mechanical Calculator