1933 Press Photo L.G. Riley with the new electric fuel valve he developed

Electricity may soon be guarding gasoline lines, oil lines and pipe lines of many kinds, according to L.G, Riley, Westinghouse engineer, who is shown here with the new electric fuel valve he developed recently. A powerful magnetic force acts upon the small steel plunger, (in Riley's right hand) to open or close the valve. Its use in airplanes, he believes, may still further reduce the hazard of fire because the valve will automatically close, making a leakoroof seal, in the gas lines when the pilot off the plane's ignition

Photo is dated 1933.

Photo measures 8 x 10.5 inches.