Before it became known for summer tourism and cranberry bogs, Wareham was the center for a more hard-hitting industry: nail manufacturing. The Tremont Nail Company, founded in 1819 on the ashes of a cotton mill that was partially burned by the British during the War of 1812, is the only remnant of what was once one of Wareham’s most important economic drivers. The country’s oldest nail company, Tremont made nails at this site along the Wareham River and just off the Cranberry Highway for more than 180 years. Factory workers…