Descriptor
| Electrical Appliances | 1 |
| Lighting | 1 |
| Projection Equipment | 1 |
| Teaching Methods | 1 |
Source
| Visual Education | 1 |
Author
| McCahill, T. | 1 |
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McCahill, T. – Visual Education, 1975
Descriptors: Electrical Appliances, Lighting, Projection Equipment, Teaching Methods
