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A colleague found this wall painting. We are sure about the elements related to mining and the divining rods. But we've got no clue for the spiral element that seems to be operated/carried by two people.

For dating we've got a hint at least. There is a particular kind of bird in the painting, maybe the "Northern Bald Ibis". They nested in the cliffs and on castles and ruins in the Graz/Steiermark and Salzburg regions of Austria got hunted and vanished around 1630-1645, as its feathers were used for hat decoration (plume hunting). Thus, the painting should date around that period.

Location: The wall-painting was found in a celler of a patrician house in Graz.

Can anybody help out?

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  • 5
    Where is the painting? What is the context ? Who is the artist? – Mark C. Wallace Nov 1 at 11:34
  • 4
    As the context is finding water (with the divining rods), maybe it's just a drill or an Archimedes' screw. – Carlos Martin Nov 1 at 14:41
  • 2
    Judging from their clothing, I'd say it's at least couple of centuries earlier than the late 19th. – NothingToSeeHere Nov 1 at 17:38
  • 1
    I would say quite a bit earlier (for the reference), say 1556. – justCal Nov 1 at 18:24
  • 3
    If there are two men looking for water or minerals with those gadgets, the tool that needs two people to be used, with greater height than a man, can be an earth drill to be used vertically. – Danielillo Nov 2 at 23:11

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