(Redirected from Carat (purity)) The fineness of a precious metal object (coin, bar, jewelry, etc.) represents the weight of fine metal therein, in proportion to the total weight which includes alloyed base metals and any impurities.
Fort Redoubt, is actually called Advance Redoubt, and is one of four Third System fortifications, built to protect the Pensacola Navy Yard, located in Pensacola FL.
The least known of the huge masonry forts built by the United States during the 19th century to defend Pensacola Bay is also the most unique.Located on board the Pensacola Naval Air Station, the Advanced Redoubt of Fort Barrancas is now preserved as a part of Gulf Islands National Seashore.