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Reconstructions are popular nowadays both with liberal arts and sciences when conducting modern complex studies. Historical reconstructions are used widely as a research method, particularly paleopathological analysis that provides additional historical information about ancient peoples who inhabited different territories of Russia. In fact, the pit culture was identified at the beginning of the 20th century by V.A. Gorodtsov who dated it to 3000 BC. Scientists and archaeologists attached great importance to the q...

Mortar beds of three late 19th century sepulchral mosaics from two cemeteries in Prague, Czech Republic were investigated by SEM-EDS, DTG, XRD and FTIR. The materials had a very similar chemical and mineralogical composition – calcite, dolomite, portlandite and quartz were identified in all of them. Calcite was present both as the main constituent of the binder and in the form of angular grains. Moreover, the mortars contained 16 – 18 wt% oil, most probably linseed oil. Due to the rate of degradation and FTIR limi...