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Electronic Abacus

The sorocal is a retro-cool Japanese marvel of current and ancient technology: a calculator combined with an abacus. Sharp made four models in the seventies and eighties, including the one that you see above. Math students used the manual system to verify the results of the electronic system.

Link -via Technabob | Photo: Partners & Spade

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Date
March 28th, 2012

Author
Stranger to the World

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