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235 points rbanffy | 1 comments | | HN request time: 0s | source
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UnreachableCode ◴[] No.40762574[source]
So what were “big screen TVs” (which my family never owned) that appeared in movies and tv? I feel like they looked more lightweight than this so I’m assuming they were like Plasma screens? Or maybe that technology was after the pop culture I’m referring to
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1. WWLink ◴[] No.40763557[source]
Typically there was a projector in the bottom that pointed up at a mirror. The mirror was mounted at a 45 degree angle and pointed at a screen consisting of a giant Fresnel lens and another piece of plastic.