Mencinger House in Krško is considered one of the most important and oldest brick houses in the city. The object of the thesis was research carried out on wood samples collected during the archaeological excavation of the house. The archaeological wood was inspected and sampled in the depot of the Krško City Museum. The samples were processed at the Department of Wood Science and Technology, Biotechnical Faculty, University of Ljubljana. We sawed smaller samples and smoothed their cross-sections. We determined the diameter of the samples (from pith to periphery), identified the wood species, and photographed or scanned their transverse surfaces. With the help of the CooRecorder program, we measured the tree ring widths. Tree ring width analysis, cross-dating and dating were performed using the TSAP Win programme, along with reference chronologies of oak, spruce and fir from the Department of Wood Science and Technology. For the most deteriorated wood, thin sections were made for the microscopic identification of wood. Wood samples of oak (Quercus sp.) prevailed, but wood of Norway spruce (Picea abies), European fir (Abies alba) and elm (Ulmus sp.) was also identified. The wood that was a part of the construction of the latrine was felled in 1526 or immediately thereafter, and the wood from the atrium was found to have been felled in or immediately after the year 1600. For the plank located next to the latrine, we estimated the year of felling as 1695. From the constructions of the house we dated three samples of silver fir wood with the end dates of 1618 and 1690, and two samples of Norway spruce with the end dates of 1674 and 1679.
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