An example of precision dating is the Dead Sea Scrolls.
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Radiocarbon dating is the principal method for determining the age of carbon-bearing materials from the present to about 50,000 years ago.
The subject of the present research is the age of mortars found in the walls of the Great Scales building in the Krakow Market Square (SW Poland).
The first documents mentioning this building are dated to 1302 AD.
There are well-preserved municipal records from the years 1390–1481 (with a few records missing) concerning municipal revenues and expenses, and providing information on municipal constructions, including the Great Scales and Small Scales buildings (Piekosiński and Szujski 1878).
Its existence is mentioned and described until 1879, when the edifice was pulled down.
The goal of this research was to verify the stratigraphic data obtained during the excavation works and concerning the development of the Great Scales walls in the Krakow Market Square.
The research covered the period from the Middle Ages to modern times.