this post was submitted on 02 Mar 2024
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[โ€“] emeralddawn45@discuss.tchncs.de 4 points 8 months ago (1 children)

One is referring to the placement of the projector itself, one is referring to the placement of the mirror that projects the image.

[โ€“] guyrocket@kbin.social 2 points 8 months ago* (last edited 8 months ago)

I think it is this:

Overhead projector

Video projector

Slide projector

Film Strip Projector

Film projector

Wow. This shit is a lot more complicated than I thought.