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The first tide predicting machine (TPM) was built in 1872 by the Légé Engineering Company. [11] A model of it was exhibited at the British Association meeting in 1873 [12] (for computing 8 tidal components), followed in 1875-76 by a machine on a slightly larger scale (for computing 10 tidal components), was designed by Sir William Thomson (who later became Lord Kelvin). [13]
When the clock reaches the halfway point ("half-tide"), it then counts the hours up to high tide or low tide, as in "one hour until high or low tide". Generally, there is an adjustment knob on the back on the instrument which may be used to set the tide using official tide tables for a specific location at either high or low tide.
Tide-Predicting Machine No. 2, also known as Old Brass Brains, [1] was a special-purpose mechanical computer that uses gears, pulleys, chains, and other mechanical components to compute the height and time of high and low tides for specific locations. The machine can perform tide calculations much faster than a person could do with pencil and ...
More recently constructed automaton clocks are widespread in Japan, where they are known as karakuri-dokei. Notable examples of such clocks include the Ni-Tele Really Big Clock, designed by Hayao Miyazaki to be affixed on the Nippon Television headquarters in Tokyo, touted to be the largest animated clock in the world. [4]
Geochron Digital and Mechanical side by side on wall. In 2018, Geochron released an electronic version of its mechanical clock, [ 1 ] optimized for 4K resolution displays. It includes many features that were unavailable prior to the internet , including satellite tracking, and demographic layers above different mapsets.
The mechanical rooster of Strasbourg clock was active from 1352 to 1789. [44] [45] The clock still functions to this day, but has undergone several restorations since its initial construction. The Prague astronomical clock was built in 1410, animated figures were added from the 17th century onwards. [46]