The Wheel Of Fortune

Beginning with the Astrological knowlege of the ancient Greeks, this episode traces the development of alarm clocks, pay... (more)

Beginning with the Astrological knowlege of the ancient Greeks, this episode traces the development of alarm clocks, paying particular attention to the clock mainspring that gave rise to pendulum clocks, and eventually, more precise measurements of time. Ultimately, this led to the precise production line system developed by Frank and Lillian Moller Gilbreth. (less)