Unit developed by General Electric Co, London, for air conditioning pressure cabins of airliners flying at high altitudes; it is controlled by humidistat, to come into operation when relative humidity falls to 25%; humidifier comprises electrically heated boiler which supplies steam through steam pipe to any convenient point in air supply system.
Electric boiler for aircraft humidifier
Engineering
Engineering ; 173 , n 4493
1952
Aufsatz (Zeitschrift)
Englisch
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