no receive the expertise of its inventor. In March 1913, the Great Dayton Flood put the Speedwell plant out of action for several months. The dealer agencies for Speedwell was initially very strong, but dealers left in large numbers when their deliveries slowed down. The rotary-valve six-cylinder model was also not selling well. Bankruptcy was declared early in 1915. The Speedwell factory was leased to the Recording and Computing Machines Company and was later sold to the W. M. Pattison Supply Company. The repair parts and business of Speedwell was acquired by the Puritan Machine Company, headed by A. O. Dunk who made a practice of buying failed automobile companies. The factory site later hosted a Delco factory. The Speedwell factory buildings are not extant. About 12 Speedwells are known to be extant. See also Apple, an early Dayton automobile manufacturer Dayton Electric, an early Dayton automobile manufacturer Stoddard-Dayton an early Dayton automobile manufacturer References Additional reading Curt Dalton, Roger L. Miller, Michael M. Self, and Ben F. Thompson, Miami Valley's Marvelous Motor Cars: From the Apple-Eight to the Xenia Cyclecar, 1886-1960 (2007). External links Company history at RitzSite Speedwell at ConceptCarz NYPL Digital Collection - Speedwell Catalog Defunct motor vehicle manufacturers of the United States Motor vehicle manufacturers based in Ohio Defunct companies based in Dayton, Ohio Vehicle manufacturing companies established in 1907 Vehicle manufacturing companies disestablished in 1915 1900s cars 1910s cars Brass Era vehicles Cars introduced in 1907