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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 ene 1924 año - Sidney Pressey invented the first teaching machine
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Ed Tech timeline
By
Morgan James Carrasco
1 jun 2021
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254
fecha:
1 ene 1924 año
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~ 101 years ago
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