Built between 1800 and 1820, the museum building is the oldest surviving commercial building in the village and originally housed E.C. Williams Dry Goods and Grocery. It was moved from the corner of Main and Broad streets between 1835 and 1838 and, until 1954, functioned variously as tin, stove, hardware, and grocery stores, restaurants, an oyster and billiard saloon, a hoop skirt factory, and a barber shop.…