This photograph shows how the two halves of a trailer house, delivered individually, are assembled by simply rolling them together on previously prepared foundations which consist of a few posts driven into the ground connected by planks upon which the house halves roll by means of small wooden wheels. Each half is light enough to be towed behind a 34 ton truck or passenger car. They come fully equipped with all essential furniture and equipment, either built-in or stored inside during transport. They are connected to each other by a few bolts, while the roof sections meet in ridges over which a common cap is laid. The whole operation may take between one and three hours, including connection to previously prepared utilities. The section or halves measure 26' x 7'9," thus permitting highway transportation without special permits. Any number of sections can be combined. Two- and three-bedroom houses. Recreation buildings, bath houses, and even very large barracks, have been constructed by TVA (Tennessee Valley Authority) on the same general plans but using more sections