Make the tube and continue:—"There it is, as free from deception as I am. I will now take the handkerchiefs" (take up the handkerchiefs from the table) "and pass them through the cylinder" (drop the colored handkerchiefs into the white ones and show the tube empty), "first, however, showing you that it is perfectly empty. Then, having satisfied you that there are no trains on the line, I will pass the handkerchiefs through the tunnel."
As the colored handkerchiefs appear at the opposite end of the tube, remark:—"I may say that I have been getting my living for some considerable time by conjuring. You will now notice that I am beginning to dye by it."
Mechanical "Pull" for Vanishing a Handkerchief.—The construction of this contrivance is very simple, and it is absolutely instantaneous in its action, the quickest eye being unable, even at close quarters, to detect the flight of the handkerchief.
It consists of two straps, one for each arm, which are buckled on just above the elbows. One of the straps carries what is known to mechanics as a "lazy" pulley, working freely in all directions, and provided with a shield, so that the
