Photographic slides. Shown with a slide projector onto a screen (or a sheet if you didn't have one). Before … | Childhood memories, Happy memories, Sweet memories
What is a Slide Projector? (with pictures)
High Power LED Slide Projector : 5 Steps (with Pictures) - Instructables
Old Model Of Slide Projector Stock Photo, Picture And Royalty Free Image. Image 19068994.