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Magic-Brain Calculator Smithsonian Institution
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in Hong Kong
Magic Brain Calculator (Japan) w/instructions Unused
National Museum of American History
Found this old calculator in my great grandmother's attic : r/mildlyinteresting
Vintage Packaging: Magic Brain Calculator Dieline - Design, Branding & Packaging Inspiration
Powerhouse Collection - Two Magic Brain pocket calculators
National Museum of American History
Vintage Magic Brain Calculator w/Original Instructions &Stylis (A11)
Slide Rules & Calculators — The National Museum of Computing
The Magic Brain Calculator – I Remember JFK: A Baby Boomer's Pleasant Reminiscing Spot
1950 Vintage Chadwick Magic Brain Calculator Gadget, Mint in Box, Geek Office Tool
Powerhouse Collection - Two Magic Brain pocket calculators
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in Hong Kong