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77
All the "media' for bacteriological examinations, and
most "standard solutions" for chemical analysis, are prepared
at the Laboratory; by this means a very considerable saving
in cost is effected.
In addition to the above, 40 specimens were examined
by the Lister Institute, viz.:—
22 Diphtheria swabs 7 positive, 15 negative.
11 Sputa 5„ 6 „
7 Blood ( Widal) tests 4 „ 3„
The facilities for the prompt examination of bacteriological
specimens in connection with infectious diseases are
much appreciated by the medical practitioners of the district,
and are of the greatest possible value in the control of the
spread of infection.
Chemical Analysis.
Several samples of tap water were analysed. All were
found to be of a high degree of organic purity.
Sewage Effluents.
A number of effluents were analysed and reported upon.
Factories and Workshops.
All the workshops and work-places in the district have
been inspected during the year, and the various sanitary defects
remedied as a consequence.
Very little home-work appears to be given out in the
district, and only a few names of out-workers have been received
from other districts. At some of the Workshops the
work done is for firms in London, but the total amount is
not large.
The following tables are on the lines of those issued by
the Secretary of State. Tables 1 and 2 are printed in full,
the remaining tables only so far as the particulars affect this
district.