Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in
Magic-Brain Calculator
Made in Japan (1962), Kept it since 80’s
Vintage Magic Brain Calculator
The Magic Brain Calculator – I Remember JFK: A Baby Boomer's
Vintage Magic Brain Calculator Made in Japan
Magic Calculator With Metal Pen Rotating Cover Can Be Opened In
Josef Seibel Antique Collectibles
Educational Insights BrainBolt Brain Teaser Memory Game with
Magic-Brain Calculator Smithsonian Institution