THE FOLLOWING LETTERS OF REFERENCE ARE
EMPLOYED IN ALL THE PLATES.

A Front door of the small cupboard.
B Back door of ditto.
CC Front doors of the large cupboard.
D Back door of ditto.
E Door in the trunk.
F Door in the thigh.
GG The drawer.
H Machinery in front of the small cupboard.
I Screen behind the machinery.
K Opening caused by the removal of part of
  the floor of the small cupboard.
L A box which serves to conceal an opening in the
  floor of the large cupboard, made to facilitate
  the first position; and which also serves as a
  seat for the player in the third position.
M A similar box to receive the toes of the player in
  the first position.
N The inner chest, filling up part of the trunk.
O The space behind the drawer.
PQ The false back, turning on a joint at Q.
R Part of the partition formed of cloth stretched
  tight, which is carried up by the false back,
  to form the opening between the chambers.
S The opening between the chambers.
T The opening connecting the trunk and chest,
  which is partly concealed by the false back.
U Panel which is slipped aside to admit the player.

Plate 2.

Fig. 3.

Fig. 4.

Drawn on Stone by the Author. Printed by C. Hullmandel.

Plate 3.

Fig. 5.

Fig. 6.

Drawn on Stone by the Author. Printed by C. Hullmandel.

Plate 4.

Fig. 7.

Fig. 8.

Drawn on Stone by the Author. Printed by C. Hullmandel.

Plate 5.

Fig. 9.

Fig. 10.

Fig. 11.

Drawn on Stone by the Author. Printed by C. Hullmandel.