Other
U.s. Centennial of Flight Commission: The u.s. Aircraft Industry During Wwi
A good essay on the development of the airline industry in the United States as a result of World War I. Many companies worked on airplane design, but few survived after the war.
Ohio History Central
Ohio History Central: Charles F. Kettering
This brief biography of Charles F. Kettering talks about the many inventions he developed for the new automobile industry.
The Franklin Institute
Franklin Institute: The Case Files: History of Transportation Technologies
A history of transportation technologies, and the individuals who led the way in developing and advancing new modes of transportation.
Ohio History Central
Ohio History Central: Delco
The automotive industry was expanding in the beginning of the 20th century. Read about a company that was developing improvements for automobils, the Dayton Engineering Laboratories Company, otherwise known as Delco.