Philadelphia-based architect Samuel Sloan created this building, also known as Nutt's Folly?
Samuel Sloan (architect) Samuel Sloan (March 7, 1815 – July 19, 1884) was a Philadelphia-based architect and best-selling author of architecture books in the mid-19th century. He specialized in Italianate villas and country houses, churches, and institutional buildings. His most famous building—the octagonal mansion "Longwood" in Natchez, Mississippi—is unfinished; construction was abandoned during the American Civil War.
Hamilton Family Estate Hamilton Family Estate is a set of nine historic homes located in the Spruce Hill neighborhood of Philadelphia, Pennsylvania. They were built between about 1853 and 1863, and are representative examples of the Italianate-style of architecture. They are commonly built of stucco and masonry, with porches and bracketed cornices. The houses at 400 S. 40th Street and 4000 and 4002 Pine Street are believed to have been designed by noted architect Samuel Sloan.