Minnesota Educational Media Organization (MEMO) Equipment Archive
Visual
Tri-Purpose Picturol Projector
Tri-Purpose Picturol Projector
Society for Visual Education, Inc., Chicago, Illinois, c. 1943.
The Tri-Purpose projector was designed for projecting single or double-frame
filmstrips,and 2" x 2" slides. During World War II, the Tri-Purpose
projector was given to schools that were involved with pre-induction training
courses.