| 353 / | HD | OPTICS: IMAGE PROJECTORS |
| 30 | ![]() | COMPOSITE PROJECTED IMAGE {5} |
| 31 | DF | .~> Multicolor picture {2} |
| 34 | DF | .~> Plural projection paths with single light source |
| 35 | DF | .~> Slides and/or film superposed in projector |
| 36 | DF | .~> Letters or numbers |
| 37 | DF | .~> Reflector between lamp and screen |