Magic Brain Calculator - A vintage mechanical addiator type

Mechanical Addiator type calculator in its original packaging

Unopened package Includes instructions, Calculator and Stylus are both metal

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

Powerhouse Collection - Two Magic Brain pocket calculators

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

Powerhouse Collection - An 'Exactus Mini- Add' pocket calculating machine.

Pocket Calculating Devices

Antique Mechanical Calculator FOR SALE! - PicClick UK

National Museum of American History

Vintage, 1950s, 50s, West Germany, Addiator, Universal, Standard Model, Pocket Calculator, Mechanical, Adding Machine, With Stylus

Magic Brain: Last Gasp of the Mechanical Calculator