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Category: Philippe Wurtz

Gramat

Gramat

Dimensions: 205 x 30 x 22 cm ( H x B x T )

Duration: 4 months

Price Range (inkl. VAT): 55 – 65.000,00 €

Shipping included. (Details)
Posterprint

The precision pendulum clock GRAMAT is the only clock currently being produced that operates in a partial vacuum similarly to the clocks in evacuated tanks produced in the last century. After a long development period, PW has succeeded in producing hand-made, extremely delicate and airtight housings. By means of a patented process, the density of the enclosed air is kept remarkably constant, thus protecting the pendulum from atmospheric changes. The sensor is a glass ball with a volume of approx. one liter. The air’s density affects the ball’s buoyancy, which, in turn, controls a small vacuum pump located in the base of the clock. This control mechanism is so sensitive that it is triggered by density changes of less than 0.1 mg per liter, which corresponds to a change in air pressure of 1/10 hPa. The control panel is located in a drawer. When it is time to wind up the clock, the vacuum control unit is turned off and air is permitted to enter through a valve. The air pressure is indicated on a precise diaphragm pressure gauge.

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Sarlat

Sarlat

Dimensions: 135 x 29 x 16 cm ( H x B x T )

Duration: 11 weeks

Price Range (inkl. VAT): 35 – 45.000,00 €

Shipping included. (Details)

Posterprint

In times past, the hands of precision pendulum clocks, also known as “regulators”, were arranged in a typical manner, i.e. a central minute hand and small inset circles for the hour hand (above) and second hand (below). Without this arrangement, the broader hour hand would have covered the second hand at midnight, exactly the time of day when observatory telescopes were used to trace the path of a star to check the clock’s timekeeping.

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Brive

BRIVE
Dimensions: 204 x 24 x 17 cm ( H x B x T )
Duration: 1 year
Price Range (inkl. VAT): 35 – 45.000,00 €
Shipping included. (Details)
Posterprint

With our Brive precision pendulum clocks, we have remained true to our policy of not just using tried and true methods but improving these methods with the help of cutting-edge technology. This has allowed us to integrate several features into our Brive clocks which were formerly impossible to combine.

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