The Vanishing Shadow (1934)
A 12 episode serial in which a son avenges the death of his father at the hands of corrupt politicians He develops a wide variety of complex devices in his crusade Ray guns, robots and a vanishing belt
Cyclotrode X (1966)
Edited down feature version of the serial Crimson Ghost, The 1946, in which the evil Crimson Ghost tries to make away with an atomic device capable of wreaking havoc throughout the world
The Phantom of the Air (1933)
After inventing an anti gravity device, scientist Thomas Edmonds and his daughter Mary attend the National Air Races in Cleveland, Ohio in search of a pilot to demonstrate the device and Bob Raymond, from the U S Border Patrol, is c