Complex of conservation works to preserve the tombstone of the 18th century from the necropolis of the Alexander Nevsky Lavra in St. Petersburg (in Russian)

The article describes the conservation measures carried out to preserve the memorial tombstone of the 18th century. The material of the slab is Putilov limestone. The complexity of such events lies in the fact that horizontally lying tombstones are an excellent springboard for various destructive processes that affect the preservation of the monument's material.