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Ángela Ruiz Robles
Ángela Ruiz Robles
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What happened with Ángela Ruiz Robles on 27 October, 1975

27 October, 1975

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Ángela Ruiz Robles, the inventor of the Mechanical Encyclopedia, died in Ferrol, A Coruña, Spain. She passed away having never seen her invention commercially produced, but leaving behind a legacy of innovation in education.