 The general's tricorn hat, with a bullet hole piercing its side, is displayed at "Putnam's cottage", the tavern belonging to Israel Knapp (at 243 East Putnam Avenue), where Putnam stayed the night before his famous ride.The town grew after the construction of the New York and New Haven Railroad in 1849, linking it to New York City and eventually New Haven and beyond.Bush-Holley House, a circa 1730 waterfront mansion on the historic Cos Cob Harbor, became a boardinghouse in 1884, primarily serving artists and writers.