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Vintage Magic Brain Mechanical Calculator. Original Stylus
VINTAGE MAGIC BRAIN Pocket Calculator W/Stylus, Made in Hong Kong In Package $18.75 - PicClick
National Museum of American History
This antique calculator my grandmother owns. : r/mildlyinteresting
Magic Brain Calculator - A vintage mechanical addiator type calculator, 1950-60s - Aluminium, Plastic, original packaging - Catawiki
Vintage Calculators
Powerhouse Collection - Two Magic Brain pocket calculators
Unopened package Includes instructions, Calculator and Stylus are both metal
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in Hong Kong
Calculator - Wikipedia
Calculator List T-Z
Magic Brain Calculator (Japan) w/instructions Unused
John Wolff's Web Museum - Slide Adding Machines