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28 дек 1870 г. - Magic Lantern

Описание:

Printed images on glass frames were projected on the walls in darkened classrooms.

Добавлено на ленту времени:

Educational Technology

ByDayanira Feliciano

14 ноя 2017

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494

Дата:

28 дек 1870 г.

Сейчас

~ 154 г назад

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