Clocks
Published on Nov 28, 2015
No Description
MORE DECKS TO EXPLORE
PRESENTATION OUTLINE
Clocks
Through Time
Sundials
the first clocks, made by the Chinese
Chinese Tower Clock
the second made clock, also made in China
Early Mechanical Clocks
The first was made in China in AD 725
Astronomical Clocks
Chinese astronomical clock of Su Song made in 1088
Spring-driven Clocks
Spring-driven clocks appeared during the 15th century
Pendulum Clock
Galileo had the idea to use a swinging bob to regulate the motion
Marine Chronometer
clocks were the importance of precise time-keeping for navigation
Electric Clocks
The electric clock's mainspring is wound
Power source
mechanical were wound, electric would use a battery.
Clock Hands
small hand is the hour and big hand is the minute
Another Type of Clock
The Cuckoo Clock
