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1 Jan 1960 Jahr - Overhead Projector

Beschreibung:

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.

Zugefügt zum Band der Zeit:

Media Era

ByRachel Dingal
5 Dez 2018
0
0
422

Datum:

1 Jan 1960 Jahr
Jetzt
~ 65 years ago

Abbildungen:

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