Thomas Wilson Parry 1866 - 1945

Trephine used in experiments on Neolithic trephination

Obsidian possibly used in trephination experiments

Trephine, in form of bow-drill shaft

3 pieces of obsidian and 1 piece of slag

Drill, flint arrowhead and wooden shaft

6 pieces of glass

3 trephining instruments, shark's tooth

Piece of glass

Obsidian, possibly used for trephination

One piece of obsidian, possibly used for trephination

Trephine used in experiments of Neolithic trephination

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