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oct 8, 1950 - OHP Projector

Description:

An overhead projector, like a film or slide projector, uses light to project an enlarged image on a screen. In the overhead projector, the source of the image is a page-sized sheet of transparent plastic film with the image to be projected either printed or hand-written/drawn

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ByMariella Gadin
10 Dec 2019
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Date:

oct 8, 1950
Now
~ 75 years ago
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