In the twentieth century, slides and projectors were used for a variety of private, commercial, and artistic uses.
1957 Commercial for Kodak Slide Photography with Ozzie NelsonAs family man Ozzie Nelson tells us, taking photos with a slide film camera was easy. You could take lumious pictures of your family and then share them with your friends in your living room. (youtube/MattTheSaiyan)
Business MeetingsBefore there was PowerPoint, slides were used in meetings and conferences. The transitions were simpler (no star wipe!). (image: slideprojector.kodak.com)
ArchivingSlide images contain a tremedous amount of detail and take up little space, which made them perfect for archives. (image: slideprojector.kodak.com)
Slide Comparisons in EducationDual slide projection is a pedagogical tool used by educators to make comparisons. Heinrich Wolfflin founded the comparative mode of analysis used in art history to make aethetic judgments, which Pamela M. Lee claims rescued entire periods of art from obscurity. (image: sciencedirect.com)
Performance ArtSlides were used in performance art by John Cage as early as 1952 in "Theater Piece No. 1" at Black Mountain College. Cage used slides to structure the timing of the happening's actions. Other performance artists would later add liquids to slides before projecting them to give them animated and organic qualities. Pictured is a performance by John Cage and Ronald Nameth in 1969 at Assembly Hall, University of Illinois, Champaign-Urbana that included 8,000 slides. (image: screeningthpast.com)