W407 rooftop plant room, showing original Biddle air handling unit, which provided conditioned air into W407 through the rooftop duct system installed above the original glazed northlight roofs, 24 Sep 2011.
The cabinets that look open appear to have been some kind of humidifier.
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See full size image Caption: Biddle AHU in W407 rooftop plant room, 24 Sep 2011 Description: W407 rooftop plant room, showing original Biddle air handling unit, which provided conditioned air into W407 through the rooftop duct system installed above the original glazed northlight roofs, 24 Sep 2011. The cabinets that look open appear to have been some kind of humidifier. Alt text: Biddle AHU in W407 rooftop plant room, 24 Sep 2011 Image credit: Team Urbex - ATF Photo subject date: 24/09/2011 |