the coin in position, which of course is on the side of the hat farthest from the spectators. The dropping of the borrowed coins in the hat will disturb the balance of the secret half-dollar, causing it to fall into the tumbler. It is hardly necessary to remind the student that the fourth coin must be gotten rid of unbeknown to the 
Fig. 10.—Penetrating Coinaudience, otherwise the effect of the experiment will be destroyed. In putting the hat in position two hands may be used. This will greatly facilitate the placing of the coin on the rim of the tumbler. You should lay stress on the fact that it is necessary to get the hat evenly on the glass. As simple as this trick seems in explanation, it is nevertheless wonderfully illusive, and can be recommended to the amateur as worthy of his repertoire, especially for the parlor, or club room.
An excellent coin trick, to be used in conjunction with the preceding illusion, is the following:
