This is just the beginning! Our collection holds over 300 years of history, including rare newspapers, obituaries, marriage records, birth records, and so much more—most of which you won’t find anywhere else!
A Kid's Guide to Timekeeping
Ancient peoples used sky, shadows, candles, and water clocks to measure time. The sun marked days, the moon months, and early devices included sundials, water clocks, burning ropes, and oil lamps. Pendulums by Huygens and Galileo's insight defined regular swings. hourglasses kept sailors and kitchens on time.
MENTIONED IN THIS ARTICLE
Christian Huygens
Galileo
United States
U.S. Naval Observatory
Washington, D.C
Earth