Frank Watters portraying his hero, General Corcoran. Frank Watters portraying his hero, General Corcoran. By Bette McDevitt, Contributor Sweet fiddle music muffles street sounds, thick carpet softens your footsteps, and lace curtains filter the daylight. Fireside chairs before a fireplace invite you to linger over the photos from the past. At Photo Antiquities, a museum of 19th century photography, the years fall away slowly until Frank Watters, the curator, strides in carrying a musket and wearing a replica of General Michael Corcoran’s Civil War uniform. Watters, 36, extends his hand a...