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

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Powerhouse Collection - Two Magic Brain pocket calculators

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Texas TI-Little Professor Solar LPROF/PWB/11E1 TI

Powerhouse Collection - Two Magic Brain pocket calculators

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Gallery: 15 unique analog and mechanical computers from throughout