1) The Storm Glass or "Goethe Barometer" is regarded as the oldest barometer in the world.
    2) Hand-blown replica of those are used on clipper ships. It will actually forecast weather changes 8-to-12 hours          ahead, by barometric pressure.
    3) As air pressure increases—the harbinger of fine weather—the water level falls.
    4) When pressure decreases and inclement weather threatens, the water level rises.
    5) Water level in the spout falls for fair weather, and rises for a storm.
___________________________________________________________________________________________ Size: Height 15cm