Magic-Brain Calculator (2) - Calculator - Computing History

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

The Magic Brain Calculator – I Remember JFK: A Baby Boomer's

Calculator - Exactus Mini-Add, Pocket Model, circa 1950

Magic brain' calculator. C.1955 Science Museum Group Collection

Slide Rules & Calculators — The National Museum of Computing

Women Calculators,BREIS Creative Cute Solar Energy

National Museum of American History

That's Logical! Comp IV from Milton Bradley – Global Toy News

Chadwick Magic Brain Calculator, B1633.01

Vintage Chadwick Magic Brain Calculator on A La Modern

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