Demonstration of the great power of air pressure. When the comparatively small hemispheres are evacuated they are very difficult to pull apart, requiring a foce exceeding 400 N. Thick-walled brass hemispheres with central rim; one handle post with 2…
Flat, rectangular mace head, known as a ÔÇ£cushionÔÇØ type. Perforation is cylindrical. Green coloured stone, a hornfelsed phyllite from Killin, Perthshire. Findspot unknown.
Unfinished mace head, hole not drilled through. Old Label: ' Witches stone from Cowton near Stonehaven 1875'
Inscription: in ink: Witchstone Rickerton 1875
Credit: Macbeth and Banquo meet the three witches on a heath; scene from Shakespeare's 'Macbeth'. Painting after J.H. Füssli (Fuseli). Wellcome Collection. Public Domain Mark