A survey of overhead projectors
By: by A. H. Crocker.
Contributors: Educational Foundation for Visual Aids (Great Britain)
Series: National Committee for Audio-Visual Aids in Education. Experimental Development Unit. Report no. 6
Publisher: National Committee for Audio-Visual Aids in Education; Educational Foundation for Visual Aids
Published: 1969
Place of publication: London
Language: eng
Number of pages: 72
Subjects: Projectors.; Overhead projection.