QUIZ: Are You A True Baby Boomer?

Trending | 8/14/24

What was this disc a part of?

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slide tray
Retry Correct Incorrect Before the PowerPoint presentation, there was a slide projector. Each disc could hold from 80-140 slides at a time. They included an electric light bulb, lenses for focusing, reflectors, and condensing lenses. Most projectors were for 35mm film.
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Wikimedia Commons
Wikimedia Commons

What was this disc a part of?

  • Slide projector
  • Car air Filter
  • An air conditioner
  • A fan
95%

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