The clock is located on a small square between the entrance to the terrariums and cages of monkeys,

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The obsession of measuring time accompanied humanity really for thousands of years, and the variety of ways to measure time and used the tools to do is simply astounding. One of the oldest and most common watchmakers tools at the same time clock is a sundial used in antiquity and widespread in the Middle Ages. The most common variant of the sundial is analemmatic sundial, which differs from the classical sundial that instead of hourly line is drawn elongated eights months marked with signs on the perimeter, so that removes the periodic error associated with the inclination of the ecliptic to the plane of the celestial equator. Too complicated? If so, you might want to go to Plock Zoo, where four years is one of the most interesting in Poland, solar clocks analematycznych or check, or somewhere in the vicinity of the clock is not there. Chances watchmakers tools are very high, because of sundials in Poland is nearly a thousand (for a complete list of them can be found here), and many of them are just clocks analematyczne. But we especially recommend this to Plock Zoo - if only because it is one of the most impressive sundials in Poland, but also because it is very clearly described - which for people for whom astronomy is as easy as the Hungarian language watchmakers tools is very important: ).
Analemmatic sundial was invented between 1532 and 1640 a year, and the oldest watchmakers tools preserved to this day in the French city of Brou - was made by the seventeenth-century astronomer JJ de Lalande. The name comes from the rotation curve in the figure-eight (which is called the analemma), located in the middle. Plock analemmatic sundial is much younger - was created for just four years ago, in June 2007.
The clock is located on a small square between the entrance to the terrariums and cages of monkeys, watchmakers tools right next to the catwalk meerkats, watchmakers tools in the central part of the zoo. The clock is very large - takes at least a dozen m2!
It was made of colored mosaic. In the central watchmakers tools part of the disc is a great peacock with tail extended, in which the feathers are placed in another hour. In the trunk of a peacock Analemma watchmakers tools placed specifying the date. Shield has the shape of a flattened ellipse from the bottom, and its in the lower right part is the inscription of the date the clock - MMVII (2007). Next to the clock on the lawn, is a bilingual (Polish and English - a big plus!) Plaque explaining the principle of operation of the sunflower, as well as the most important issues in astronomy - a lot of information here, fortunately, are in a very accessible way. How does analematyczny sundial in Plock zoo?
Analemmatic watchmakers tools sundial in Plock Zoo is characterized in that it is devoid of classical watchmakers tools gnomon, or pole or rod throwing a shadow on the dial. Its function is provided for standing in the right place man whose shadow indicates the time. How, then, to read the time from the "peacock clock"? First, the description analemmy (who is on the board) you can locate the point corresponding to a given date. This point is located on analemmie placed in the trunk of a peacock. watchmakers tools When we find a description of where that point is located, we are in a certain watchmakers tools place. You only need to straighten up and see your shadow on the clock face clock, and you can read in an hour! Simple