Today's photo appeared in a Oravisual Company advertisement in the January-February 1955 issue of The Journal of Industrial Training, T+D Magazine's predecessor. This folding flannel board allows symbols, graphs, and pictures to suspend "magically," and comes in two sizes.

Think about all the things whiteboards can do today....My how our expectations have changed.

For more information about T+D magazine, visit www.astd.org/td.