Shellstone filter

Water purification in the 1600s: shellstone is porous enough for water to flow through, filtering out major impurities

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March 29th 2011
The Oldest House Today was my last day in Florida. I spent it soaking up Florida history before the long drive to Charleston. My first site was The Oldest House. It really is the oldest standing house in St. Augustine, but that isn’t the reason it has the name. It was one of St. Augustine’s first tour ... read more

North America » United States » Florida » Saint Augustine

Britain's American colonies broke with the mother country in 1776 and were recognized as the new nation of the United States of America following the Treaty of Paris in 1783. During the 19th and 20th centuries, 37 new states were added to the origina... ... read more

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