The “Machine pour arrondir”, used in our watch shop in XIX Century

12 五月 2018 | ,

The Hausmann & Co. collection counts historical watches and clocks as well as machines and spare parts once used in our Clock and Watch shop to create and to repair watches. Before the industrialization of the watchmaking industry, all components were hand mande (and designed, of course!) both at the moment of the creation of…

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Turkish numbers on the dials of pocket watches for Ottoman Empire

18 四月 2018 | ,

What hour is it? Let’ say it better: what kind of numbers are they? On the dial of this watch you can see Turkish numbers, always featured in the dial of watches made for the Ottoman Emperor from the beginning of 17th century. Initially oval-shaped, then round, they became enclosed with several protective watch-cases. The…

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The Pendule Sympathique by Breguet: maybe the most complicated clock in the world

10 三月 2018 | , ,

This is, probably, the most complicated clock in the world. Better: the clock and the watch, together. In 1835 Abraham-Louis Breguet introduced to his son probably his most fascinating, complicated and hard to implement invention: the “pendule sympathique”. A precision pendulum clock that could mechanically wind and set the correct time on a pocket watch,…

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The clock as a tool to measure space: after longitude, the challenge is the GPS localization

20 四月 2016 | ,

Hard to tell, but time measurement is a technical challenge tightly connected to the space measurement. The years and the resources invested in longitude measurement during XVII and XVIII Century demonstrate it. Marine chronometers finally allowed a safe sailing of oceans and the regular management of intercontinental sea routes. In the same way, the technological shift…

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Jaeger-LeCoultre Geophysic: from an historical collection, new models full of innovation

30 十一月 2015 | ,

October 2015: Jaeger-LeCoultre chooses an unconventional month to introduce some beautiful novelties, far from the International watchmaking fairs. We are talking about the new watches from the Jaeger-LeCoultre Geophysic collection: the True Second and the Universal Time. Before introducing the novelties, a fascinating digression about the current Geophysic collection, that is becoming a true watch…

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Ruby in watches: stones that are precious to the movement of the wheels

9 十一月 2015 | , ,

In the years between 700s and 800s watchmaking made great strides. Beyond great technical innovations, mainly concerning the regulating organ’s engineering, those were also the years to solve small mechanical issues: great innovations to a part of the mechanism  lead to discover issues in other parts, that was important to solve in order to have…

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Marine chronometers to calculate longitude

6 十月 2015 | , ,

Since the beginning of navigation men learnt how to measure the apparently distance of the stars in order to calculate latitude. But longitude’s calculation has been for centuries a Nature’s secret hard to be solved, especially on a ship in the middle of the ocean. The contemporary observation of stars and planets could allow the…

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Tag Heuer and the 1/1.000th of a second, key to the Ferrari F1 team success in the Seventies

18 六月 2015 | , ,

Some F1 teams seem to dominate a whole era. That’s what Ferrari achieved in the 1970s. They were determined, they were dynamic, and they scooped up a total of seven Formula 1 World Championship titles. Throughout the decade TAG Heuer were their personal, in-house timekeepers, and also sponsored the whole team. The performance you cheer…

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