the evolution of clocks by: felicia rosberg
DESCRIPTION
The First Wrist Watch. In 1504, Peter Helein invented the first Wrist Watch.TRANSCRIPT
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The Evolution of ClocksBy: Felicia Rosberg
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The First Wrist Watch.
In 1504, Peter Helein invented the first Wrist Watch.
![Page 3: The Evolution of Clocks By: Felicia Rosberg](https://reader034.vdocuments.site/reader034/viewer/2022051305/5a4d1b767f8b9ab0599b7579/html5/thumbnails/3.jpg)
The First Minute Hand.In 1577, Jost Burji invented the first Minute Hand. The minute hand
does one lap of the clockface every 1 hour.
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The First Pendulum.In 1656, Christian Huygens invented the first Pendulum. Grand dad
same day One lap 60 sec.
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Thank you for watching!!!
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The First Alarm Clock.In 1787, Greeks invented the first Alarm Clock.
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The First Standard Time.In 1878, Sir. Sanford Fleming invented the First Standard Time. U put
on wall
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The First Self – Wind Watch.In 1923, Swiss John Harwood invented The First Self – Wind Watch. The hands in the
watch are attached to a gear train mechanism that gears it self down.
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In 1927, Warren Marrison invented the first Quartz. It was first made in Canada.
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THE END!!!