Minnesota Educational Media Organization (MEMO) Equipment Archive
Visual
Spencer Model D Delineascope
Spencer Model D Delineascope
Baush & Lomb Optical Company, Rochester, New York, early 1930s.
This Spencer Delineascope projected both 2" x 2" and 3 " x
4" color slides by means of an interchangeable condensing lens system.
These projectors were used in large auditoriums as well as traditional
sized classrooms.