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plant in the viewing room; and for the provision
and fixing of a draining slab and combined wash and
slop sink in the post-mortem room. Certain
alterations and additions to the electric lighting
installation were also necessary. An all metal,
enamelled trolley for the conveyance of the bodies
between the post-mortem room and the viewing
room was also provided.
The work was completed during the latter part
of the financial year 1933-1934 and the plant is
giving the most satisfactory results. The reconstructions
and installations were carried out by
British firms under the supervision of the Borough
Surveyor, Mr. Holden, and his assistant, Mr. Austin,
for whose assistance and co-operation I wish to
express my most sincere thanks.
The apparatus consists of a refrigerating machine
and a cooling chamber. The refrigerating machine
consists of four parts; a gas compressor driven by
a 1 h.p. electric motor, an air cooled condenser, a
direct expansion evaporator and a regulator for
controlling the rate of flow of the refrigerant. These
components form a closed unit containing an easily
liquified gas, methyl chloride, which is placed on
top of the cooling chamber. The defrosting apparatus
consists of a thermostatic control fitted to the
motor, so should the evaporator become frosted and
so impair the efficiency of the cooling system, the
motor automatically cuts out at 32 °F. and restarts
when the temperature in the cooling chamber has
reached 38 °F and all frost has disappeared. The
temperature of the chamber is maintained at an
average of 35 °F.
The cold chamber accommodates 8 bodies and
has 4 compartments and 4 doors; each of the compartments
is for 2 bodies, one above the other, which
are placed on trays supported by racks. The end
compartment of the chamber is completely isolated
from the general body of the chamber, so that 2