'Lawrence Sperry used the gyroscope his dad developed in this device that keeps planes on course without human aid'
autopilot
BRIGHT IDEAS: Lawrence Sperry used the gyroscope his dad developed in this device that keeps planes on course without human aid
Lawrence Sperry used the gyroscope his dad developed in this device that keeps planes on course without human aid
Lawrence Sperry used the gyroscope his dad developed in this device that keeps planes on course without human aid
BRIGHT IDEAS
autopilot
BRIGHT IDEAS