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1 ene 1960 año - Overhead Projector

Descripción:

Overhead projector is a presentation device that projects the enlarged image of writing or drawing on clear or transparent film placed on it onto a wall or screen by means of an overhead mirror. It is a variant of slide projector that is used to display images to an audience.

Añadido al timeline:

Media Era

ByRachel Dingal
5 dic 2018
0
0
366

fecha:

1 ene 1960 año
Ahora mismo
~ 65 years ago

Fotos:

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