How did people in early civilisations tell the time

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How did people in early civilisations tell the time

  1. 1. HOW DID PEOPLE IN EARLYCIVILISATIONS TELL THE TIME 1
  2. 2. Devices that early civilisations used to tell the time• Sundial• Water Clock• Candle Clocks• Incense Clocks 2
  3. 3. HOW DOES IT WORK 3
  4. 4. Candle Clock•A candle clock hasconsistent spacedmarkings on it (or behindit). When it is burned thecandle becomes lower andlower and where the topof the candle is at anygiven point tells the time,how many hours havepassed or how long to go. 4
  5. 5. Water Clock• Works similar to a candle clock. A vessel is filled with water at the bottom of the vessel you cut avery small whole. On the vessel there must be markings which show how much time has passed, how long it has been or how long to go. 5
  6. 6. Incense Clocks• Incense clocks are sticks calibrated with known burning rates. The sticks are marked and at a set time a weight will drop onto a gong. The sound signifies a certain period of time has past. These clocks are believed to have originated in India but were practically first used in China. The clocks are usually in decorative trays. 6
  7. 7. Sundial•A sundial is like a shadow clock. The sun hits the tallstructure in the middle of the clock which casts a shadow onto the dial. There are marking on the dial to tell what time itis. Where the shadow meets the sun is the point which showsthe time. 7
  8. 8. THANK YOU FOR WATCHING 8

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