Long before Kindles and iPads became popular, Ruiz Robles, a teacher, created her Mechanical Encyclopedia to help lighten her students’ textbook load.
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Overlooked No More: Ángela Ruiz Robles, Inventor of an Early E-Reader
Long before Kindles and iPads became popular, Ruiz Robles, a teacher, created her Mechanical Encyclopedia to help lighten her students’ textbook load.