Baker-Dunninger Slate by Mak Magic

At one time the Baker-Dunninger Slate was a common prop but you don’t see many of them these days as most add a number effects are done with small pads or calculators rather than large slates. This version was from Mak Magic, but there have been many versions released by different dealers. The first Addition or Add a Number slate was created by American Mentalist Joseph Dunninger c. 1926 and this version was a variation by Al Baker c. 1929 and it became known as the Baker-Dunninger Slate.

The best version available today is the one created by Louis Gaynor and distributed by Stevens Magic.

Effect: It is basically the same as other Add a Number effects: The performer shows a slate which has six horizontal chalk lines. The performer writes a prediction, places it a sealed envelope, and hands it to a spectator at the beginning of the routine. He then has five sets of numbers called by the audience and has a fifth spectator add up the total. When this figure is read, he asks the spectator holding the prediction to read it, and it is found to be the same figure as the total on the slate.

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