When the physician had relieved the sufferer, Joe called a carriage and sent the magician to the hotel where they were staying. Then the pantomimist having finished, Joe prepared to go on with some illusions. And right here, while Joe is making his preparations, a description of the "fire trick" can be given.

The cabinet was, of course, a trick one. That is, it was provided with hidden electric contrivances so that when the professor stepped into it, by merely pressing a button he could have a shower of sparks shot out all around him. As he was insulated, these sparks could not injure him.

On the heavy silk robe he wore there had been painted the grinning skeleton. It was painted with a secret chemical paint, and when subjected to a flow of electricity the bones and skull showed outlined in fire. The professor, keeping well back toward the rear of the cabinet, was invisible.

Tying the ropes about him was not necessary as he did not leave the cabinet anyhow, but it added to the effectiveness of the illusion. But on this evening, after the electric wire broke causing a short circuit, the tying of the ropes was well-nigh fatal, for the professor could not move in order to escape, and had to stay while the current burned him. Luckily, however, Joe acted in time.

As has been intimated, the two front legs of the cabinet were really the positive and negative termini for the wires that were inside the box. These legs stood in two sockets in the floor of the stage, and to them ran the wires from the theatre's circuit. When the helpers lifted the cabinet up, to show, ostensibly, that it had no connection with the floor, they put the legs down in the hidden sockets. Thus the connections were made. As can be seen, Joe had but to lift the cabinet away to break the connection.

In spite of the accident, the trick had ended satisfactorily, thanks to the quick work of Joe Strong. His strength, too, played not a little part in this, for ordinarily the cabinet required two men to shift it. But Joe had a knack of using his powerful muscles to the best advantage, and it was this, with his most marvelous nerve, that enabled him to do so many sensational things, about which this and future volumes concerning our hero will tell.

The professor having been sent to his hotel to rest, and the pantomimist having finished his act, Joe went out on the stage to continue the performance. He made no reference to the non-appearance of the chief performer, letting it be taken for granted that Professor Rosello had finished his part in the entertainment.

"I would now like to borrow a gold gentleman's watch," began Joe; this misplacement of words never failing to bring out a laugh. He then proceeded to perform the trick of apparently smashing a borrowed watch, firing the fragments from a pistol at a potted plant, and causing the reunited watch to appear among the roots of the pulled-up flower.

As this trick has been described in detail in the first volume of this series, exposing just how it is done, the description will not be repeated here. In that book will also be found the details of how Joe made an ordinary egg float or sink in a jar of water, at his pleasure. (This is a trick one can easily do at home without apparatus.) Joe did that trick now, and also the one of lighting a candle, causing it to go out and relight itself again while he stood at one side of the stage, merely pointing his wand at the flickering flame. (See the first volume.)

Joe now essayed another trick. He brought out a bottle, apparently empty, and said that it was a magical flask.