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An elaborate system of ventilation was needed for the studio
tower. Air drawn in through intake panels by suction fans (below) was passed through
water sprays (left). These washed out the particles of dust and soot.
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above -
A ventilating fan, showing its motor fitted with a joint for insulating the vibration
of the engine. |
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Humidity and temperature were controlled automatically, the aim
being to limit temperature variation in any studio to no more than one and a half degrees.
The refrigerator (below) could freeze 200 tons of water per day.
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left -
The remote-control board for all the air-conditioning plants, except that of the Concert
Hall.
The conditioned air was fed from the sub basement to the various areas in the tower - studios,
listening rooms, waiting rooms, green room, etc. - by means of several thousand yards of
metal ducting, in which materials for absorbing sound were placed to prevent sound travelling
along it. The studios were grouped into four separate air-conditioning plants as another
means of eliminating sound interference between the studios.
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