Thumb-actuated control device
Rotary potentiometer device on the spoke of an aircraft steering wheel provides servo control of certain flight characteristics with no visual attention and a minimum of operational movement.
Hadland, W. O.↗
Engineering topics
Iwasaki, N.
Publications and source records attributed to Iwasaki, N..
Control device Patent
Device for controlling rotary potentiometer mounted on aircraft steering wheel or aileron control
Hadland, W. O.↗