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51
liness, &c., and several defective as to ventilation and light.
Certain remedies were obtained, but in view of the possible
closing of some of the underground bakehouses at an early
date, it did not seem justifiable to insist on improvements
involving much expense. Cleansing was enforced in all
cases.
Disinfection.
32. Infected articles were disinfected by a Washington
Lyon's steam (high pressure) apparatus. The old Plumstead
apparatus was not used, all articles being taken to the newer
one near St. Mary's Church, which is provided with doors at
each end opening in separate apartments. The articles were
exposed to a steam pressure of 25 lbs. to the square inch, with
a temperature of 267 degrees for twenty minutes. It having
been found that some articles were slightly injured by this
process, enquiries were made as to the necessity of this high
pressure, and after consulting an expert, it has been found
that satisfactory results may be obtained by a lower pressure.
The articles are now only subjected to a pressure of 5 lbs. with
a temperature of 227°F.
Articles from 687 premises were disinfected. Infected rooms
were fumigated for the most part with Formalin, 25 tablets
being used per 1000 cubic feet. The room is closed for six
hours. School rooms were disinfected with sulphur.
One van is used for bringing away infected articles, and
another for returning the disinfected articles, the former being
zinc lined, and the vans numbered '1' and '2.'
Solution of corrosive sublimate (1 in 1000) and solution of
permanganate of potash (a drachm in 14 ozs.) are supplied free
on application, for disinfection of underclothing, utensils, &c.