These twin Gothic towers, completed two years apart, are separated by the narrow canyon of Thames Street. Their roofs are connected by a small wrought iron- bridge. The Gothic ornament on these buildings harmonizes with the architecture of neighboring Trinity Church. They contrast sharply with the classical style that the eclectic Kimball used on the Empire Building on the south side of the churchyard.

Beautifully restored in the 1990's, the lobbies of both towers are wonderful examples of High Victorian Gothic with floor and lower walls paneled in marble, bronze tracery moldings, and polychrome patterns stenciled on the walls. The elevator-door surrounds, designed to resemble Gothic choir stalls, seem more suited to a sacristy than an office building, as does the ceiling with its heavy beams and the transom windows with their leaded glass