In a town dotted with magnificent old homes, a National Historic Landmark county courthouse, and the oldest timber-frame house in North America—the most noteworthy structure may be one not much larger than the privies in use when it was built prior to the Revolutionary War. The Dedham Powder House was constructed in 1766 for the town by a group of men including Captain David Fuller and Deacon Nathaniel Kingsbury. Made of brick and lime mortar, the small, sturdy structure measures eight feet square on the outside, and six feet high…
