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115
Series E.— Oval Road School— Upstairs Main Boys'.
Recognised accommodation, 80.
Ventilation depends mainly upon open windows. There is a warm
air inlet over fire place and ventilator in ceiling. Heating by open fires.
Months.—November, January, and February.
Number of observations, 16.
Average number of occupants, 65.
Average temperature, 52.3 deg. F.
Average open windows, 3,369 sq. inches.
Average C.O.z 7.1 parts per 10,000.
Number of occasions below 9 parts per 10,000 14
do. between 9 and 12 parts per 10,000 2
do. above 12 parts per 10,000 0
Total observations 16
Best Result.—January 22nd, 3.30 p.m. External temperature 34
deg. F. Internal 47 deg F. 41 boys and 1 adult present. 5,279 sq.
inches window. C.O.2 5 parts per 10,000.
Worst Result.—January 20th, 3.30 p.m. External temperature,
36 deg. F. Internal 54 deg. F. 80 boys and 2 adults present. 1,602
sq. inches window. C.O2 10 parts per 10,00c.
These observations were made in the upstairs main room at Oval
Road Boys' School. Their chief interest arises from the fact that there
is no central hall, and that the arrangement of the windows allows of
perflation. It will be noticed that the results are better than at
Winterbourne Road. Doubtless this is in part due to the enthusiastic
appreciation of fresh air characteristic of this particular school, but
the figures also indicate that satisfactory results can be obtained in even
an old building when every advantage is taken of the means provided
for ventilation. They also suggest the inferiority of the central hall
type of school as far as ventilation alone is concerned, or at any rate
the need of paying additional attention to open windows and the free
ventilation of class rooms in schools built on this plan. To these
points I propose to specially direct the attention of the head teachers
at an early date. It should also be added that the internal temperature
was lower than is generally considered advisable, but the boys appeared
to have become acclimatised to such conditions, and did not appear to
suffer any inconvenience therefrom.