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More Information On Slap Board Techniques

Tools Reference is made to the article, ''How to Make Ideas Stick," by Louis B. Allen, in the July-August, 1950 issue of The Journal of Industrial Training, in which I he color black is recommended for a flannel board. My own experience with a black one, of wool flannel, was such that when we needed an additional one we had it made of a shade of light apple green.

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