Obsolete technologies MISC@1 oil-film projectors ILA -LRB- Light Image Amplifier -RRB- light valves Schmidt-CRT , developed by PERSON@1 Video Talaria oil-film projectors DIY video projectors With a growing DIY-community and an increasing interest in low cost devices , some hobbyists have endeavored to build their own projectors from kits , sourced components , or from scratch .

Obsolete technologies MISC@1 oil-film projectors Telaria oil-film projectors ILA -LRB- Image Light Amplifier -RRB- light valves .
