It encompasses nine buildings and two large gasometers. The Metropolitan Gas Works, identifiable by its large gasometers, was founded in 1833. There was a loud explosion, and three gasometers at the site exploded. Like the gasometers, the factory is also a listed building. In 1891, one of the gasometers exploded; the cause was attributed to a large storm. He helped with the camouflage of airfields, gasometers etc. Gasometers are comparatively rare in the United States. The gasometers were decommissioned in 2014 and the site is due for redevelopment. Two gasometers exploded and the explosion destroyed the factory and threw heavy objects long distances. Flats and gasometers were popular settings, and he often had the models adopt adventurous poses. When gasometers are full, excess gas must be allowed to escape as a safety measure. The British Ordnance Survey have marked gas holders on their large-scale maps, calling them gasometers. In the 1870s, several large holding tanks (gasometers) were erected at the Foggy Bottom site.