Hewitt-Sperry Automatic Airplane for eight years, and yet Sperry became intrigued with the concept of applying radio control to them. He realized that for radio control to be effective, automatic stabilization would be essential, so he decided to adapt his naval gyro-stabilizers (which he had developed for destroyers). In 1913, the Navy provided a flying boat to test and evaluate the gyro-based autopilot. Sperry's son Lawrence served as an engineer during the test phase. In 1914, Lawrence Sperry was in Europe and observed the developing techniques of aerial warfare, including the use of aircraft. In 1916, the two Sperrys joined Peter Hewitt, an
Federal Aid Highway Act of 1921 Maine to Georgia was begun in 1922. By 1923, the roads authorized by the act had been completed. Federal Aid Highway Act of 1921 The Federal Aid Highway Act of 1921, also called the Phipps Act (November 9, 1921, , ), sponsored by Sen. Lawrence C. Phipps (R) of Colorado, defined the Federal Aid Road program to develop an immense national highway system. The plan was crafted by the head of the National Highway Commission, Thomas MacDonald and was the first coherent plan for the nation's future roads. L. I. Hewes opened the Western Headquarters Office of the Bureau of