FIELD: physics.
SUBSTANCE: clock is fitted with a multifunctional window display device capable of displaying characters corresponding to one or more special functions and date. Display discs are moved by reversible motors. The display discs or movable apparatus have several series of digits of different colour for differentiating display of various functions.
EFFECT: design of a clock which can display information, independent of absolute time, which is easy to read to obtain auxiliary clock functions.
17 cl, 10 dwg
