Wristwatch/Timelines: Difference between revisions

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{{subpages}}
{{subpages}}
{{timeline
{{timeline
|height= 250
|height= 280
|title=  
|title=  
}}
}}
{{TLevent
{{TLevent
|event= '''3500 BC(E)''': The obelisk is created by Egyptians, and possibly previously by Sumerians
|event= '''3500 BC(E)''': The obelisk is created by Egyptians, and possibly previously by Sumerians
|width= 80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
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* The sundial/shadow clock is built by Egyptians
* The sundial/shadow clock is built by Egyptians
* One of the earliest water clocks is buried in the tomb of Egyptian pharaoh Ahemhotem I
* One of the earliest water clocks is buried in the tomb of Egyptian pharaoh Ahemhotem I
|width= 80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
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|event= '''500 - 100 BC(E)''':
|event= '''500 - 100 BC(E)''':
* Romans and the Greeks improve water clocks through mechanics (bells, gongs, doors -- ways to attempt flow regulation)
* Romans and the Greeks improve water clocks through mechanics (bells, gongs, doors -- ways to attempt flow regulation)
* '''325 BC(E)''' - ''clepsydras' '' ("water theives") are used by the Greeks
* '''325 BC(E)''' - ''clepsydras' '' ("water thieves") are used by the Greeks
|width= 80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''30 BC(E)''': Vitruvius describes 13 different types of sundial styles in Greece, Asia Minor, and Italy<ref>{{cite web|url=http://physics.nist.gov/GenInt/Time/early.html|title=Earliest Clocks|publisher=National Instute of Standards and Technology (NIST)|accessdate=2008-01-29}}</ref>
|event= '''30 BC(E)''': Vitruvius describes 13 different types of sundial styles in Greece, Asia Minor, and Italy<ref>{{cite web|url=http://physics.nist.gov/GenInt/Time/early.html|title=Earliest Clocks|publisher=National Instute of Standards and Technology (NIST)|accessdate=2008-01-29}}</ref>
|width= 80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1 BC(E)''': Andronikos constructs the ''Horologion'', the "Tower of the Winds" in Macedonia, Athens Marketplace|width= 80%
|event= '''1 BC(E)''': Andronikos constructs the ''Horologion'', the "Tower of the Winds" in Macedonia, Athens Marketplace
|width=550px
|color= #FFF
|color= #FFF
}}
}}
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* '''900 CE(AD)''' - Pocket sundials are employed
* '''900 CE(AD)''' - Pocket sundials are employed
* '''1088 CE (AD)''' - Su Sung implements a water escapement in the "Su Sung clock tower".  It is over 30 feet tall and ''very'' elaborately adorned.
* '''1088 CE (AD)''' - Su Sung implements a water escapement in the "Su Sung clock tower".  It is over 30 feet tall and ''very'' elaborately adorned.
|width=80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1300 CE(AD)''': Mechanical clocks appear in Italian cities, in towers.
|event= '''1300 CE(AD)''': Mechanical clocks appear in Italian cities, in towers.
|width=80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1500 - 1510''': Peter Henlein of Nuremberg invents the spring-powered clock.
|event= '''1500 - 1510''': Peter Henlein of Nuremberg invents the spring-powered clock.
|width=80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
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* Jacob Zech of Prague invents the fusee
* Jacob Zech of Prague invents the fusee
* Gruet also works on and perfects the fusee
* Gruet also works on and perfects the fusee
|width=60%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1582''': Galileo creates the pendulum-clock concept, but wasn't able to build it before his death.
|event= '''1582''': Galileo creates the pendulum-clock concept, but wasn't able to build it before his death.
|width=80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1656''': Christiaan Huygens (Dutch) invents the hair-spring, about the same time as Hooke from England
|event= '''1656''': Christiaan Huygens (Dutch) invents the hair-spring, about the same time as Hooke from England
|width=80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1671''': William Clement of London begins to build clocks with an "anchor" or "recoil" escapement
|event= '''1671''': William Clement of London begins to build clocks with an "anchor" or "recoil" escapement
|width=80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1675''': Huygens creates the Balance Wheel and spring assembly
|event= '''1675''': Huygens creates the Balance Wheel and spring assembly
|width=60%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1704''': Nicholas Facio (Swiss) introduced Jeweled bearings
|event= '''1704''': Nicholas Facio (Swiss) introduced Jeweled bearings
|width=60%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1721''': George Graham creates a pendulum that adjusts for temperature change
|event= '''1721''': George Graham creates a pendulum that adjusts for temperature change
|width=70%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
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*John Harrison builds a marine chronometer with a spring and balance wheel escapement that wins the British Government's prize established in 1714.
*John Harrison builds a marine chronometer with a spring and balance wheel escapement that wins the British Government's prize established in 1714.
*Harrison also develops friction reduction techniques during the 1760s
*Harrison also develops friction reduction techniques during the 1760s
|width=80%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1764''': John Harrison builds the Gridiron pendulum
|event= '''1764''': John Harrison builds the Gridiron pendulum
|width=60%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1880''': Pierre Curie of France discovers [[piezoelectricity]]
|event= '''1880''': Pierre Curie of France discovers [[piezoelectricity]]
|width=60%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1888''': Friedrich Reinitzer of Austria discovers the liquid crystal property
|event= '''1888''': Friedrich Reinitzer of Austria discovers the liquid crystal property
|width=70%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
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*Siegmund Riefler builds a nearly free pendulum clock that become standard in astronomical labs
*Siegmund Riefler builds a nearly free pendulum clock that become standard in astronomical labs
*Otto Lehmann coins the term "liquid crystal" inspired by Reinitzer's work
*Otto Lehmann coins the term "liquid crystal" inspired by Reinitzer's work
|width=70%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1895''': Seiko in Japan creates the first Japanese pocketwatch
|event= '''1895''': Seiko in Japan creates the first Japanese pocketwatch
|width=60%
|width=550px
|color= #FFF
|color= #FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1898''': R. J. Rudd develops the first true "free pendulum clock"
|event= '''1898''': R. J. Rudd develops the first true "free pendulum clock"
|width=60%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1913''': Seiko in Japan creates the first Japanese wristwatch, dubbed "The Laurel"
|event= '''1913''': Seiko in Japan creates the first Japanese wristwatch, dubbed "The Laurel"
|width=60%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1921''': W. H. Shortt develops another true "free pendulum clock"
|event= '''1921''': W. H. Shortt develops another true "free pendulum clock"
|width=60%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
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* G. W. Pierce's research on Crystal Oscillators lays the groundwork for Cady to develop the Crystal Oscillator
* G. W. Pierce's research on Crystal Oscillators lays the groundwork for Cady to develop the Crystal Oscillator
* '''1923+''', Walter Guyton Cady develops the first Crystal Oscillator
* '''1923+''', Walter Guyton Cady develops the first Crystal Oscillator
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1927''': Warren Marrison develops the first quartz crystal oscillator clock
|event= '''1927''': Warren Marrison develops the first quartz crystal oscillator clock
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1940''': The Swiss establish the Laboratoire Suisse de Recherches Horologeres (LSRH)
|event= '''1940''': The Swiss establish the Laboratoire Suisse de Recherches Horologeres (LSRH)
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1946''': The Hamilton Watch company develops the "Hamilton Electric 500" between 1946 and 1957.  It is an abysmal market failure due to a flawed design, and short battery life.
|event= '''1946''': The Hamilton Watch company develops the "Hamilton Electric 500" between 1946 and 1957.  It is an abysmal market failure due to a flawed design, and short battery life.
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1955''': Max Hetzel of Switzerland creates prototypes of watches using Tuning Forks as opposed to the balance wheel.
|event= '''1955''': Max Hetzel of Switzerland creates prototypes of watches using Tuning Forks as opposed to the balance wheel.
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1961''': Seiko Japan creates the 951, their first quartz crystal chronometer
|event= '''1961''': Seiko Japan creates the 951, their first quartz crystal chronometer
|width=60%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1962''': The Swiss establish the Centre Electronique Horloger (CEH)
|event= '''1962''': The Swiss establish the Centre Electronique Horloger (CEH)
|width=60%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
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*From the CEH come Quartz watch prototypes
*From the CEH come Quartz watch prototypes
*Seiko Japan sells the 953 Pocketwatch and Wristwatch, both Quartz powered
*Seiko Japan sells the 953 Pocketwatch and Wristwatch, both Quartz powered
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1968''': Juergen Staudte creates a process for mass production of quartz oscillators while working at North American Avionics (which became Rockwell)
|event= '''1968''': Juergen Staudte creates a process for mass production of quartz oscillators while working at North American Avionics (which became Rockwell)
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1969''': Seiko Japan sells the 35SQ Astron, the first commercially available quartz watch on Christmas, December 25{{u|th}}
|event= '''1969''': Seiko Japan sells the 35SQ Astron, the first commercially available quartz watch on Christmas, December 25th
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
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*From the CEH comes the Beta 21, on sale April 10 1970, a quartz crystal watch
*From the CEH comes the Beta 21, on sale April 10 1970, a quartz crystal watch
*The Pulsar, a joint product between Hamilton and Electrodata is announced on April 4; developed by John Bergey and Dick Walton
*The Pulsar, a joint product between Hamilton and Electrodata is announced on April 4; developed by John Bergey and Dick Walton
|width=70%
|width=550px
|color=#FFF
|color=#FFF
}}
}}
{{TLevent
{{TLevent
|event= '''1972''': The Pulsar is on the Market
|event= '''1972''': The Pulsar is on the Market
|width=50%
|width=550px
|color=#FFF
|color=#FFF
}}
}}

Latest revision as of 19:17, 14 February 2010

This article is developed but not approved.
 Main Article
 Discussion
Related Articles  [?]
Bibliography  [?]
External Links  [?]
Citable Version  [?]
Timelines [?]
Gallery [?]
 
https://en.citizendium.org/wiki/index.php?title=Wristwatch/Timelines&printable=yes
A timeline (or several) relating to Wristwatch.
3500 BC(E): The obelisk is created by Egyptians, and possibly previously by Sumerians
1500 BC(E):
  • The sundial/shadow clock is built by Egyptians
  • One of the earliest water clocks is buried in the tomb of Egyptian pharaoh Ahemhotem I
500 - 100 BC(E):
  • Romans and the Greeks improve water clocks through mechanics (bells, gongs, doors -- ways to attempt flow regulation)
  • 325 BC(E) - clepsydras' ("water thieves") are used by the Greeks
30 BC(E): Vitruvius describes 13 different types of sundial styles in Greece, Asia Minor, and Italy[1]
1 BC(E): Andronikos constructs the Horologion, the "Tower of the Winds" in Macedonia, Athens Marketplace
200 - 1300 CE(AD):
  • Chinese inventors modify clepsydras' to drive various mechcanisms.
  • 725 CE (AD) - A water escapement is invented in the far east
  • 900 CE(AD) - Pocket sundials are employed
  • 1088 CE (AD) - Su Sung implements a water escapement in the "Su Sung clock tower". It is over 30 feet tall and very elaborately adorned.
1300 CE(AD): Mechanical clocks appear in Italian cities, in towers.
1500 - 1510: Peter Henlein of Nuremberg invents the spring-powered clock.
1525:
  • Jacob Zech of Prague invents the fusee
  • Gruet also works on and perfects the fusee
1582: Galileo creates the pendulum-clock concept, but wasn't able to build it before his death.
1656: Christiaan Huygens (Dutch) invents the hair-spring, about the same time as Hooke from England
1671: William Clement of London begins to build clocks with an "anchor" or "recoil" escapement
1675: Huygens creates the Balance Wheel and spring assembly
1704: Nicholas Facio (Swiss) introduced Jeweled bearings
1721: George Graham creates a pendulum that adjusts for temperature change
1761:
  • John Harrison builds a marine chronometer with a spring and balance wheel escapement that wins the British Government's prize established in 1714.
  • Harrison also develops friction reduction techniques during the 1760s
1764: John Harrison builds the Gridiron pendulum
1880: Pierre Curie of France discovers piezoelectricity
1888: Friedrich Reinitzer of Austria discovers the liquid crystal property
1889:
  • Siegmund Riefler builds a nearly free pendulum clock that become standard in astronomical labs
  • Otto Lehmann coins the term "liquid crystal" inspired by Reinitzer's work
1895: Seiko in Japan creates the first Japanese pocketwatch
1898: R. J. Rudd develops the first true "free pendulum clock"
1913: Seiko in Japan creates the first Japanese wristwatch, dubbed "The Laurel"
1921: W. H. Shortt develops another true "free pendulum clock"
1923:
  • G. W. Pierce's research on Crystal Oscillators lays the groundwork for Cady to develop the Crystal Oscillator
  • 1923+, Walter Guyton Cady develops the first Crystal Oscillator
1927: Warren Marrison develops the first quartz crystal oscillator clock
1940: The Swiss establish the Laboratoire Suisse de Recherches Horologeres (LSRH)
1946: The Hamilton Watch company develops the "Hamilton Electric 500" between 1946 and 1957. It is an abysmal market failure due to a flawed design, and short battery life.
1955: Max Hetzel of Switzerland creates prototypes of watches using Tuning Forks as opposed to the balance wheel.
1961: Seiko Japan creates the 951, their first quartz crystal chronometer
1962: The Swiss establish the Centre Electronique Horloger (CEH)
1967:
  • From the CEH come Quartz watch prototypes
  • Seiko Japan sells the 953 Pocketwatch and Wristwatch, both Quartz powered
1968: Juergen Staudte creates a process for mass production of quartz oscillators while working at North American Avionics (which became Rockwell)
1969: Seiko Japan sells the 35SQ Astron, the first commercially available quartz watch on Christmas, December 25th
1970:
  • From the CEH comes the Beta 21, on sale April 10 1970, a quartz crystal watch
  • The Pulsar, a joint product between Hamilton and Electrodata is announced on April 4; developed by John Bergey and Dick Walton
1972: The Pulsar is on the Market





  1. ↑ Earliest Clocks. National Instute of Standards and Technology (NIST). Retrieved on 2008-01-29.
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