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1929
33
opened after the holidays, the immediate school contacts were
examined and swabbed. All the swabs proved negative, but in
several there had been a history of naso-pharyngeal catarrh.
Some of these were swabbed a second time, but the result was
negative.
Baths.—Three of the girls attended the 2nd Class Acton Baths.
F.K. and J.M. attended the Baths on Saturday morning July 20th.
During part of the time probably the two girls were in the baths
together. F.K. was in the bath earlier than J.M. but when F.K.
and her friends came away J.M. was then in the bath. F.K.
attended the baths on Monday afternoon with the class from
School. J.M. attended the baths on Monday evening. J. did not
attend with the School class. The girls were not in the baths at
the same time on Monday. C.W. attended the baths on July 22nd
with the School class from the Priory School and she was also in
the baths on July 26th.
The water in the baths is obtained from a deep well, 500
feet deep. The well water on every occasion it has been chemically
analysed has been found to be particularly pure.
On August 29th, a sample of the well water was examined
at the Laboratory of the Ministry of Health, and the report stated
that in the well water the bacillus Coli was absent in 50 cubic
centimetres of the water. Centrifugal deposits from thet wo
samples of bath water plated on suitable media, yielded no pneumo-cocci
or hæmolytic streptococci. A suggestion has been made
that the well may be contaminated by percolation from the cemetery
in Churchfield Road. This cemetery is situated about 100
yards to the north-west of the well. The chemical analyses and
the above bacteriological analysis would be sufficient to disprove
any such possibility. But the conformation and character of the
ground would also make such a contingency not only remote but
impossible. The well is sunk through impervious clay and the clay
extends right up to the surface of the well. The following are some
of the details of the strata of the bore-hole.
Depth below
ground level.
Strata.
Thickness
of Strata.
Other
details.
0 Yellow Clay 21ft. 6 ins. (14 in. casing and
21ft. 6 ins. Blue Clay 77 ft (8 in. rising main.
23 ft. 6 ins. 12 in. casing
98 ft. 6 ins. Claystones 6 ins.
99 ft. Blue Clay 112 ft. 6 ins.
211ft. 6 ins. Mottled Clay 49 ft.
254 ft. Start of 8 in.
rising main.