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Alarum

Horologists seem to prefer this Shakespearean spelling for a clock or watch that sounds a warning bell at a pre-set time.
Alarum mechanisms are found on some of the earliest mechanical timekeepers and were being fitted to watches before 1600

The verge escapement remain the only form of escapement generally used in all clocks and watches until about 1670, nearly four centuries after its successful, but as yet anonymous, application to the problem of time-measurement. The verge escapement consists of three parts, which can most clearly been seen and understood in the large "turret" clock from Cassiobury Park, which, like the Dover Castle clock (now in the Science Museum, London), was formerly thought to have been made in the fourteenth century. Both are now regarded as probably no older than the sixteenth century. Nevertheless, the method of construction of this clock, with its massive heavy wrought-iron frame and mechanism, is in the medieval tradition and scarcely differs from the oldest surviving clock in Britain – the Salisbury Cathedral clock of 1386




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Reloj Cornavin 17 rubis Enchapado Oro

Reloj De La Marca Cornavin 17 jewels Enchapado Oro 10 Micras, fondo acero, en su estuche original, acepto Ofertas, Reloj En La Ciudad De Lima - Perú. ...

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Reloj Oris de submarinismo 300m
Reloj Oris de submarinismo 300m

Omega Seamaster 300 chrono James Bond
Omega Seamaster 300 chrono James Bond
Boucheron Reflet Parallele

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Este modelo de Boucheron, el Reflet Parallèle, de pesada caja rectangular, ya sea en oro o en acero, presenta unas generosas dimensiones : 45 mm de largo y 31,5...
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