The Potter Building, at 38 Park Row on the corner of Beekman Street, a full-block building also known as 145 Nassau Street, in the Civic Center neighborhood of Manhattan, New York City, was built in 1882-86 and was designed by Norris G. Starkweather in a combination of the Queen Anne and neo-Grec styles, as an iron-framed office building. It employed the most advanced fireproofing methods then available, including the use of rolled iron beams, cast-iron columns, brick exterior walls – the building's walls are 40 inches (100 cm) thick at ground level – tile arches and terra-cotta. Its terra-cotta detailing provoked the developer, Orlando B.