Glass phial containing bone dust resulting from trephination using flint, produced during experiment by Dr. T. Wilson Parry, England, 1918-1920 Glass phial containing bone dust resulting from trephination using flint 1918-1920
Glass phial containing bone dust resulting from trephination using flint, produced during experiment by Dr. T. Wilson Parry, England, 1918-1920 Glass phial containing bone dust resulting from trephination using flint 1918-1920