Did you know that the city of Liverpool was central to the development of tidal science? Our Liverpool office now houses two historic tide prediction machines in a new publicly accessible exhibition. Tide Predicting Machines are analogue computers which simulate the rise and fall of the ocean tide. They are carefully engineered devices in which each harmonic constant of the tide is represented by the motion of a pulley wheel, set to move at the appropriate speed; a wire wound over several of these wheels sums their motion to give a representation of the total tide for the programmed location. You can read more and book a visit on our dedicated website. |
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