When Was the Pendulum Clock Invented and Who Developed It? - Science Through Time

When Was The Pendulum Clock Invented? - Science Through Time

The Clock That Changed the World (BBC History of the World)

How to clean and Oil a Clock Movement | Horace Whitlock’s Clock Oil Kit

Preparation tips to clean the clock movement parts. How To Clock Repair basics for the beginner.

Cleansing and Blessing Your Pendulum