remain about
two inches and a half of the paper hollow from the end of the case:
tie this case on one of the sides of the wheel, near the corners of
which must be holes bored, through which put the packthread to tie the
cases: having tied on the first case at the neck and end, put a little
meal-powder in the hollow paper; then paste a slip of paper on the end
of another case, the head of which put into the hollow paper on the
first, allowing a sufficient distance from the tail of one to the head
of the other, for the pasted paper to bend without tearing: tie on the
second case as you did the first, and so on with the rest, except the
last, which must be closed at the end, unless it is to communicate to
any thing on the top of the wheel, such as fire-pumps or brilliant
fires, fixed in holes cut in the wheel, and fired by the last or
second case, as the fancy directs: six, eight, or any number, may be
placed on the top of the wheel, provided they are not too heavy for
the bowl.

Before trying on the cases, cut the upper part of all their ends,
except the last, a little shelving, that the fire from one may play
over the other, without being obstructed by the case. Wheel-cases have
no clay driven in their ends, nor pinched, but are always left open,
only the last, or those which are not to lead fire, which must be well
secured.

_Water-Mines._

For water-mines you must have a bowl with a wheel on it, made in the
same manner as the water-wheel; only in its middle there must be a
hole, of the same diameter as that of the intended mine. These mines
are tin pots, with strong bottoms, and a little more than two
diameters in length: the mine must be fixed in the hole in the wheel,
with its bottom resting on the bowl; then loaded with serpents,
crackers, stars, small water-rockets, &c., in the same manner as pots
of aigrettes; but in their centre fix a case of Chinese fire, or a
small gerbe, which must be lighted at the beginning of the last case
on the wheel. These wheels are to be clothed as usual.

_Fire Globes for the Water._

Bowls for water-globes must be very large, and the wheels on them of
ten sides: on each side nail a piece of wood four inches long; and on
the outside of each piece cut a groove, wide enough to receive about
one-fourth of the thickness of a four-ounce case: these pieces of wood
must be nailed in the middle of each face of the wheel, and fixed in
an oblique direction, so that the fire from the