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Peculiar vaulted buildings often existed in connection with the palaces for the preservation of valuables; the base of these treasure-houses is circular, and their covering of a dome shape; it does not, however, form an arch, but courses of stones are laid horizontally over one another in such a way that each course projects beyond the one blow it. till the space at the highest course becomes so narrow that a single stone covers it. Of all those that have been preserved till the present day, the treasure-house of Atreus at Mycenæ is the most remarkable.

Section of the Treasury of Atreus

Peculiar vaulted buildings often existed in connection with the palaces for the preservation of valuables;…