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Plan of lights in re-lighting Haydons Road Infants' School. The larger figures show the new lighting in
foot-candles, and the smaller figures the old. The present lighting is by 6 Bray's 1912 inverted burners
consuming 4 cub. ft. an hour at 30/10 pressure. The candle-power is approximately 90 at an angle of 45º.
Each lamp is fitted with a 12-in. enamelled iron reflector and "Nico" bulb of clear glass.
Plan showing the disposition of the lights in Room 5 of the Girls' Department. The lighting of this Room
is carried out by 6 "Nico" self-intensifying lamps of approximately 300 candle-power each at 45°. The
consumption of the six lamps is 48 cub. ft. per hour at pressure. The globes used are of clear glass
of the pear-shaped pattern. It was found impossible to get satisfactory lighting with anything but
pear-shaped clear globes, several others being tried but they did not give nearly such satisfactory
results as the pear-shaped pattern.
The gas supply to the lamps is regulated by a 3/4" Governor of the Foster pattern.
The figures show the lighting in foot-candles at the different positions.