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OHP, LCD Projectors (jan 1, 1940 – jan 1, 1960)

Description:

One of the earliest projectors to become popular during this era were the slide projectors. These projectors were used to project transparent photographic slides on the screen.
The overhead projectors or OHP's are a variant of the slide projectors.

Added to timeline:

Electronic Age

ByKatrina Amodia
10 Jan 2020
0
0
262

Date:

jan 1, 1940
jan 1, 1960
~ 20 years

Images:

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