The Origins of Computers on Overhead Projectors

There was an interesting time where computers and overhead projectors had to get along. There were a wild number of devices and methods for using the two togther that I've wanted to talk about for a long time! My Video on the HP-7475:    • Gold Standard Plotter - HP 7475A   LGR's Video on the Chaplet Halikan Laptop:    • Classic Laptop Lives Again! 3D Printed Cha...   Here are some ways to help me make more videos! Buy some Merch: Merch: https://tech-tangents.creator-spring.... Leave a one time tip: Paypal one-time: https://paypal.me/AkBKukU Ko-fi: https://ko-fi.com/techtangents Amazon Wishlist for Production Gear: https://www.amazon.com/hz/wishlist/ls... Become a monthly supporter: Patreon:   / akbkuku   Youtube Membership:    / @techtangents   Paypal Monthly: https://techtangents.net/support/ Other Links Youtube:    / akbkuku   Twitch:   / techtangents   Fediverse: https://dialup.space/@TechTangents Github: https://github.com/AkBKukU Thingiverse: https://www.thingiverse.com/AkBKukU Discord:   / discord