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All the premises have been in use during 1925.
The buildings, with one exception, are old. They are,
however, kept in a fairly satisfactory condition, and the
occupiers show willingness to comply with your Council's
requirements.
Seven hundred and forty-two visits were paid to these
premises during the year, as compared with 220 during
1924.
Disinfection.
Previous to May, 1921, the only disinfection process
employed by the Council was that of fumigation of rooms
and contents by means of sulphur dioxide. In certain
cases bedding was sent to a private firm at Putney to be
steam disinfected. This latter method entailed delay and
considerable inconvenience to those persons who had no
spare bedding, as it was not possible to remove, disinfect,
and return the bedding in one day.
In 1920 the Council decided to erect a disinfection
station and to purchase a "Velox" High-pressure Disinfector.
The building is situated at the rear of the Electric
Light Works, and was completed in May, 1921. Steam
for use in the apparatus is obtained from the works, and is
available at all times. The steam pressure is reduced to
about 40 lbs. per square inch before entering the machine
through a water-chamber, wherein it is converted into
"saturated steam." The pressure inside the machine is
regulated by means of safety valves so as not to exceed
15 lbs. to the square inch. This pressure of steam gives
a corresponding temperature of 250 deg. F. in the chamber.