One is referring to the placement of the projector itself, one is referring to the placement of the mirror that projects the image.
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.
People tweeting stuff. We allow tweets from anyone.
RULES:
One is referring to the placement of the projector itself, one is referring to the placement of the mirror that projects the image.
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.