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smooth surface. In 7 cases the surface was finished in
Keen's cement. In 2 instances the walls were lined with
glazed tiles, and in 3 instances it was necessary to line
the walls with asphalte, or other special impervious material,
to keep out damp.
Ceilings.—Lath and plaster ceilings were hacked off and
the underside of the floor covered with No. 14 zinc fixed tight
with fillets. The exposed joists were cased and the ceiling
painted with three coats of paint.
Lighting.—The whole of the stallboard was used for
lighting and windows were inserted elsewhere where required
In some cases it was necessary to glaze portions of the shop
floor, but on the whole the question of lighting presented little
difficulty.
Ventilation.—The most difficult problem was that of
ventilation. In each case a hood of No. 16 zinc was placed
above the furnace door and connected with a pipe which,
wherever practicable was carried above the eaves, terminating
with a movable cowl. This was found to have an excellent
effect. In some of the cases first dealt with an attempt was
made to close all stallboard openings so as to effectually prevent
the entrance of street dust, and to ventilate the bakehouse
entirely by tubes with external openings well above ground
level; but it was found impossible to secure admission of a
sufficient amount of fresh air, or to keep the bakehouse cool
by this method, without having recourse to fans or other
mechanical means of ventilation. It was, therefore, decided to
permanently close the stallboard up to a height of from 12
to 18 inches from the street level and fix above this, along the
whole length of the stallboard, an open iron grating fitted with
a movable flap. In the yard a large skylight was provided
with fixed vertical lights to a height of from 12 to 18 inches,
and top lights along the whole length hung to open, provision
for permanent ventilation being made by fitting a grating
about 4 inches deep above the vertical lights, and fixing the
top rail of the skylight about 3 inches from the wall under a
bearer fixed into the wall. By these means it has been