| Sumario: | The article focuses on the development of double image slide projection for art education. This projection of double images enables the lecturer to make visual comparisons directly without depending on memory retention from image to image. It also makes possible cultural comparisons such as a comparison in esthetic values such as a good and bad choice, color comparisons, contrast comparisons, line and form relationships. It has a play-back system that enables the lecturer to use recorder material over the audio system and allows for tape recorder adaptation so that taped materials can likewise be used in connection with double projection lectures.
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