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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 1, 2025
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1 gen 1930 anni - Overhead Projector
Descrizione:
Beginning with military education, and then moving to the classroom, most American schools had overhead projectors by the end of 1930.
Aggiunto al nastro di tempo:
Tech timeline
By
Kate Belt
24 ott 2018
0
0
377
Data:
1 gen 1930 anni
Adesso
~ 95 years ago
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