'Heinrich Geissler found he could create a vacuum by moving a column of this element up & down in a tube'
mercury
THE ELEMENTS: Heinrich Geissler found he could create a vacuum by moving a column of this element up & down in a tube
Heinrich Geissler found he could create a vacuum by moving a column of this element up & down in a tube
Heinrich Geissler found he could create a vacuum by moving a column of this element up & down in a tube
THE ELEMENTS
mercury
THE ELEMENTS