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The MagicBrain Calculator was manufactured in 1955 by the Chadwick Company, this early calculator was operated using a stylus, and could perform addition, subtraction and multiplication calculation
Sheet, Simplified Instructions Magic-Brain Calculator
Be a Human Calculator: Mere Observation - No Magic: Sarswat, Rajesh: 9789352066070: : Books
Slide Rules & Calculators — The National Museum of Computing
The Magic Brain Calculator – I Remember JFK: A Baby Boomer's Pleasant Reminiscing Spot
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Our Brains are Like Software, Not Hardware
Tax Calculator Membrane Style Keyboard Desktop Business, High School TX-700, 4×6.6inch : Office Products
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Magic-Brain Calculator (2) - Calculator - Computing History
Vintage Chadwick Magic Brain Calculator. Made in Japan. Mid century modern. This item is used and has visible scratches and signs of usage. I have
Vintage Chadwick Magic Brain Calculator. Made in Japan Mid century modern.
Calculator - Exactus Mini-Add, Pocket Model, circa 1950
Magic brain' calculator. C.1955 Science Museum Group Collection
The History Of The Calculator: When was the Calculator First Invented?
