By A Mystery Man Writer
Huygens Invents the Pendulum Clock, Increasing Accuracy Sixty Fold
BBC World Service - 50 Things That Made the Modern Economy, Clock
The physics of why the first clock in America failed
The physics of why the first clock in America failed
The Invention of the Pendulum Clock 1 Clock.
Ctesibius Builds the First Truly Automatic Self-Regulatory Device : History of Information
Longitude - Wikipedia
Inside the incredibly slow race to reinvent time
The Physics Of Why Timekeeping First Failed In The Americas
Why Huygens father and son personify the scientific revolution