Purfleet falls within the parish of West Thurrock. In the reign of George
III, Purfleet Garrison was built to service 5 powder magazines, arising from
concern that powder stored at Woolwich presented a potential danger to London.
One of these magazines (No.5) and the proofing house has been preserved.
The magazines were built of brick with thickly copper plated doors. The nails
are copper and the roof space was filled with sand. There are no windows.
All designed to protect the surrounding area should an explosion occur. The
magazines could house 50,000 barrels of gunpowder.
See "Exploring Thurrock" by Chris Harrold and Panorama 28.
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