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Water Clock Project Blog/Facebook/Twiter
Research at MDC Libraries
Books At MDC Libraries
History of Clocks and Watches by
Call Number: Miami Dade/Kendall Circulation (TS542 .W4 )
Publication Date: 1972
Time's Pendulum by
Call Number: Miami Dade/Homestead Circulation (QB209 .B25 1998 )
Publication Date: 1998-03-21
Einstein's Clocks and Poincare's Maps by
Call Number: Miami Dade/Homestead Circulation (QB209 .G35 2003 )
Publication Date: 2004-09-17
Water Clock - Clepsydra
The Encyclopedia Britanica defines a clepsydra or water clock as "an ancient device for measuring time by the gradual flow of water."
Ctesibius Of Alexandria
Ctesibius most famous invention was an improvement of the clepsydra, or water clock, in which water dripping at a constant rate raised a float that held a pointer to mark the passage of the hours.
Water Clock Articles From MDC/ LINCCWeb Databases
Your LINCCWeb Borrower ID is your MDC student number, and your PIN (unless you change it) is the last 4 digits of your MDC student number.
Your Borrower ID and PIN are used for gaining access to the LINCCWeb Databases to find articles and other information.
Building a Capillary Action Water Clock
Understanding capillary action, using rulers to measure lengths, measuring volume of liquid in milliliters, constructing and interpreting graphs, employing critical thinking, developing conceptual understanding of 1 minute and 1 hour, and utilizing estimation skills.
Presents information on an armillary sphere developed by Zhang Heng, a Chinese astronomer during the Later or Eastern Han dynasty. Use of the sphere in the country to observe the positions of celestial objects; Discovery of the potential location of the water clock-powered sphere of Zhang by archeologist Wang Zhongshu and his colleagues in 1978; Role of the fluid drive of the instrument in diminishing the chances that the dynasty would fall..
The Evolution of Timekeeping: Water Clocks in China and Mechanical Clocks in Europe
Early in history, humans sought methods to tell time. A concept rather than a physical entity, time eluded accurate measurement for many centuries. One of the first successful timekeeping devices was the water clock, which was perfected in China in the eighth century. It wasn't until nearly seven centuries later that mechanical clocks began to make their appearance. Mechanical clocks not only made timekeeping much more precise, which was important for scientific purposes, but also introduced it to the masses when centrally located clock towers equipped with bells loudly struck the hour.
Time Keeping in Acient Egypt
The article focuses on the ways on how ancient Egyptians measure time. It states that clocks in ancient Egypt were based on observing the movement of an item in spatial terms, which is where all the methods of early time-keeping are based. It notes that a clock was developed based on the changing length and angle of a shadow in order to measure the progress of the day. It talks about the development of a star clock, which can be seen in the royal tombs from Rameses VI to Rameses IX. It discusses the use of outflow water clocks, or clepsydra. It cites the importance of keeping time in the Egyptian culture..
V. Frederic Rickey - Clepsydra
Search the Library Catalog for Articles and Books
Books At MDC Libraries
Clocks : Chronicling Time by
Call Number: Miami Dade/Kendall Circulation (TS542.5 .B68 1991 )
Publication Date: 1991-09-01
Empires of Time by
Call Number: Miami Dade/Kendall Circulation (QB209 .A94 1989 )
Publication Date: 2002-10-02
Revolution in Time by
Call Number: Miami Dade/Kendall Circulation (TS542 .L24 1983 )
Publication Date: 2000-08-15
Time and Its Measurement: From The Stone Age To The Nuclear Age by
Call Number: Miami Dade/Kendall Circulation (QB209 .C65 )
Publication Date: 2012-05-01