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An
Ancient ruler with half a millimeter precision was
discovered in the Burnt City, Sistan-Baluchistan,
southeast of Iran.
The Burnt City which is located a few kilometers out of
Zabol, Sistan-Baluchistan province, dates back to some
5000 years ago and belongs to a developed civilization
living at the time when cities of the world were just
beginning to form.
Recent
excavations in the archeological site of the Burnt City
led to the discovery of a ruler with millimeter
measurement units. Experts believe now that the ancient
residents of the city used precise units for measurements
and was skilled in areas of mathematics and geometry.
“During the recent excavations, we found a piece of
ebony wood 10-centimeter long with some cuts which have
evidently been made with a sharp tool. After carrying out
the necessary tests and studying the wood under
microscope, we found out that the cuts were divided in one
millimeter and half millimeter measures,” head of the
excavation team, Dr. Mansour Sajjadi, told CHN.
The piece of wood has therefore been identified as a ruler
used in subtle industrial works of the city. Its
measurement precision (one millimeter and half a
millimeter) indicates that mathematics and geometry were
developed at that time.
Sajjadi believes that people have had other tools for
measurement, but the discovered ruler was used in their
subtle works such as jewelry creating, in which they were
skillful.
So far many valuable items, including one of the first
examples of animation and backgammon, have been discovered
there.
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