cord cannot possibly leave the wheel; and the other carries a metal "D" loop. A cord is tied to the "D" loop, passed over the back, round the pulley on the left arm, back again and down the right sleeve; the end of the cord being furnished with a loop to receive a handkerchief. The apparatus must be attached to the arms underneath the shirt, and when in such a position that the arms may be moved about freely, the loop should be in the centre of the back, as shown in Fig. 17.
Fig. 17.—Mechanical "Pull" for Vanishing Handkerchief—(a) Leather Strap; (b) Brass Plate; (c) Pivot; (d) Brass Hinge; (e) Pulley in Shield; (L) Left Arm; (R) Right Arm
To enable the artist to obtain possession of this loop, a black thread is passed through it, doubled and carried down the right sleeve, the two ends
