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.
Folly Bridge Folly Bridge is a stone bridge over the River Thames carrying the Abingdon Road south from the centre of Oxford, England. It was erected in 1825–27, to designs of a little-known architect, Ebenezer Perry (died 1850), who practised in London.