In school, we learned to color mix by ironing 100 different colored gels onto projection slide
In fact, Turtox and other suppliers of biological materials called 35-mm projection slides
or transparencies "lantern slides" in their biological supply catalogs until the early 1960s.
For any student or teacher of Korean War history--assuming he is able to obtain permission to reproduce them for classroom use--these maps can readily be converted into superb overhead projection slides
or scanned and digitized for instructional purposes.
The US family and indie-vaudeville band perform humorous songs inspired by vintage projection slides
A great shame, for other aspects of the production are really great - terrific back projection slides
, effective use of entrances through the auditorium and a wonderful wide-open stage and setting.
The show also comprises a live band, projection slides
and narration, which shows Barbra Streisand's progression both musically and visually.