 A Georgian structure, the building's East and West rooms were added, respectively, in 1804 and 1811.Biddle, the son of clockmaker Owen Biddle Sr., is best known for his influential handbook, "The Young Carpenter's Assistant", which was published in 1805.In 1833, the book was revised and expanded by Philadelphia architect John Haviland, who republished it as "An Improved and Enlarged Edition of Biddle's Young Carpenter's Assistant".