A time ball is a now obsolete time signalling device. It consists of a large, painted wooden or metal ball that is dropped at a predetermined time, principally to enable navigators to verify their marine chronometers from their ships offshore. Accurate timekeeping is one means by which longitude can be determined at sea.
Read more about Time Ball: History, Time Balls Around The World
Famous quotes containing the words time and/or ball:
“And Manuel embraced his mother and they laughed together: Délira’s laugh sounded surprisingly young; that was because she hadn’t really had the chance to make it heard; life was just not happy enough for that. No, she never had time to use it; she had kept it fresh as can be, like a birdsong in an old nest.”
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