Winding-up the striking mechanism by the clockwork; winding up the clockwork by the striking mechanism

Full Title

Indicating the time by acoustic means (at preselected times G04B23/00; by electro-acoustic means G04C21/04; ) > Regular striking mechanisms giving the full hour, half hour or quarter hour > Winding-up the striking mechanism by the clockwork; winding up the clockwork by the striking mechanism