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Magic Brain: Last Gasp of the Mechanical Calculator
Magic Brain Calculator (Japan) w/instructions Unused
Vintage 1960s MAGIC BRAIN Pocket Mechanical Addiator Calculator Unpunched NOS
TCoCD: Magic Brain Pocket Calculator
Unopened package Includes instructions, Calculator and Stylus are both metal
Vintage 1960's Magic Brain Pocket Calculator W/Stylus, Made in Hong Kong
Vintage Chadwick Magic Brain Calculator on A La Modern
Slide calculator - Wikipedia
Pocket Calculator.
Vintage 1960's Magic Brain Pocket Calculator Brand New Sealed Package
Vintage Chadwick Magic Brain Calculator