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

Magic Brain: Last Gasp of the Mechanical Calculator

Category:Calculators - Wikimedia Commons

magic brain calculator for sale

Magic Brain Calculator with instructions. 1960's.

Category:Calculators - Wikimedia Commons

Category:Mechanical calculators - Wikimedia Commons

Magic Brain: Last Gasp of the Mechanical Calculator

Category:Calculator collection by Joe Haupt (from Flickr stream

Vintage 1960's VANGUARD Magic Brain Calculator Japan NOS