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Projection Equipment4
Audiovisual Aids3
Films2
Audiovisual Communications1
Educational Media1
Educational Resources1
Electronic Equipment1
Information Sources1
Merchandise Information1
Opaque Projectors1
Overhead Projectors1
Teaching Machines1
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Nat Sch3
Nation's Schools1
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Lewis, Philip4
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New Developments in 8 MM Projectors and Equipment
Lewis, Philip – Nat Sch, 1969
Descriptors: Audiovisual Aids, Projection Equipment
Projectors Now More Portable, Versatile
Lewis, Philip – Nation's Schools, 1971
Brief review of the new types of projection equipment on the market. (Author)
Descriptors: Merchandise Information, Opaque Projectors, Overhead Projectors, Projection Equipment
Super 8 Software Titles Grow Under Two Formats
Lewis, Philip – Nat Sch, 1969
Descriptors: Audiovisual Aids, Educational Media, Films, Information Sources
Schoolmen Will Hear A Lot From Cassettes
Lewis, Philip – Nat Sch, 1969
Descriptors: Audiovisual Aids, Audiovisual Communications, Educational Resources, Electronic Equipment