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In 1504, the first wrist watch was made. It was made by Peter Helein. A watch is a small, portable timepiece that is made to be worn on a person. It is usually a wristwatch, attached to the wrist with a strap or bracelet. Clocks tell us what time it is.
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In 1577, Jost Burji invented the minute hand clock.
the first clock with hour made in Milan Italy and in 1665 watch with minute and second made. They are getting smaller. They could be hanged on walls. -
They became too old and are not used in the 19th century.It was made by Langley Bradley.Lantern clock by Langley Bradley, London, c. 1700. Converted to clockwork mechanism, hence missing its weight.
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In 1656, the first pendulum was invented by Christian Huygens. In 1656, Christian Huygens. Something hanging from a fixed point which, when pulled back and released.back in the 1600s people who wanted to create accurate clocks were trying to solve the problem of how to cause the second hand to make exactly one. They tell us what is the time.
revolution per minute. -
An early protype of the alarm clock was invented by Greeks, in 1787. A alarm clock that can be set to sound a bell or buzzer at a desired hour. The alarm clock tells us what time it is. We could shoose when we want it to ring. They stand on tables.
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In 1927, Warren Marrison made the Quartz. He developed a very large highly accurate clock based on the regular vibrations of a quartz crystal in an electriced ciruit.They hang on the
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A pocket watch is a watch that is made to be carried in a pocket, as it changed alot to a wristwatch which is strapped to the wrist.Peter Henlein invented the Pocket watch.
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In 1577, Jost Burji invented the minutes hand. The minute hand ticks every second. The minute hand does one lap of the clockface every 1 hour, or 60 minutes. So the minute hand travels 360 degrees every 60 minutes, and therefore travels 6 degrees per minute.
the first clock with hour made in Milan Italy and in 1665 watch with minute and second made.
