标签：Lore. - 英国华人论坛

She was given the watch by Robert Dudleyin at the year 1571. In the beginning, watches worn at the wrist were only done so by females. Wrist watches became of great importance to men during war. Near the end of the 19th century, military exe...英国华人论坛

That gives was to  gear, and then a hammer continuously strikes a bell. This striking of the bell continues until it has exhausted tension on the wound up spring. The first such types of mechanical alarms date back to the 1300s. Germany ha...英国华人论坛