Anniversary clocks
Auteur :
Wotton, Peter
Éditeur :
Bloomsbury Publishing PLC
ISBN :
9780747807339
Date de publication :
10 juin 2009
Dimensions :
21,0 x 14,9 cm
Poids :
152 g
Langue :
Anglais
Pays d'origine :
Grande Bretagne
The mechanical anniversary clock, also known as the 400-day clock or torsion pendulum clock, is one of the most popular clocks ever invented. Anniversary clocks are recognizable by the decorative balls beneath the dial that rotate one way and then the other.