Collections in Hot & Humid Environments (1997-2002)
 
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Fungal growth on an old book, due to high levels of relative humidity. The book is part of the Historic Archive of the city of La Laguna, on Tenerife Island, Spain, one of the sites where the GCI is testing methods to control relative humidity. Photo: Shin Maekawa.

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The main facade of Hollybourne Cottage in the historic district of Jekyll Island in Georgia, U.S.A. Here, the GCI is testing a humidistatically controlled mechanical ventilation and electrical heating system for its efficacy in controlling the high relative humidity problem in the building. Photo: Shin Maekawa.

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Extended wood decay of interior sheathings and floors on the ground floor of Hollybourne Cottage. The biodeterioration of building fabrics is the result of high levels of relative humidity in the cottage's walls and basement. Photo: Shin Maekawa.

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One of supply fans for the ventilation system being installed in the Hollybourne Cottage's basement. Photo: Franciza Toledo.

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An inside view of the cottage's attic, with exhaust fans mounted on the window openings. External louvers provide protection on the outside. Photo: Franciza Toledo.

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The main facade of the Archivo del Ayuntamiento de La Laguna—the Historic Archive of the city of La Laguna—on Tenerife Island, Spain. Here, as at Hollybourne Cottage, the GCI is experimenting with systems to moderate the high relative-humidity problem in the building. Photo: Shin Maekawa.

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An inside view of the Historic Archive, with the monitoring sensors in the foreground and an exhaust fan, mounted on the window, in the background. Photo: Shin Maekawa.

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View of the Historic Archive, with a convective heater and agitator fan in place. Photo: Shin Maekawa.