• Stonehedge
• Megalithic tombs (as sound-theaters)
• Judgement-stones
• cracks in stones as passages for shamans in Siberia and African Han peoples.
• evidence for transe-like states in 'solarheaded' petroglyphs at Tamgaly.

archaeology of shamanism, Neil S. Price

• the black singing stone of Amenophis in Thebe
• the musical stones in Megara.

Archaeology of Shamanism, Neil S. Price

Objects Reluctant Witnesses to the Past, Chris Caple

Prehistoric Figurines Corporeality and Representation in the Neolithic, Douglass Bailey

• Folded swords found as substitutes for bog bodies.

Dying for the Gods: Human Sacrifice in Iron Age & Roman Europe, Miranda J. Aldhouse-Green

• in haruspicy with the Romans.

• used in Renaisance theater and imperial feasts.

• http://www.bibliotecapleyades.net/tesla/occultether/occultether.htm
• http://en.wikipedia.org/wiki/List_of_Tesla_patents