Descriptor
| Animation | 1 |
| Instructional Materials | 1 |
| Overhead Projectors | 1 |
| Production Techniques | 1 |
| Projection Equipment | 1 |
| Special Effects | 1 |
| Transparencies | 1 |
| Visual Aids | 1 |
Source
| Man/Society/Technology | 1 |
Author
| Tester, Jerry V. | 1 |
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Tester, Jerry V. – Man/Society/Technology, 1973
Two light polarized filters used with an overhead projector can create the suggestion of movement in transparencies. The technique is described and sources of polarized materials are given. (MS)
Descriptors: Animation, Instructional Materials, Overhead Projectors, Production Techniques
