The German philosopher Goethe is said to have originated the design of the original storm glasses that were used by 18th century clipper ships to warn of approaching storms at sea. Today, they're a fun way to predict weather changes up to 24 hours away. A rising glass means a storm is approaching; a falling glass means clear skies Brass-coated steel hanger mounts easily on a wall Made of glass and steel For indoor display 11-3/8" H Gardener's Supply Exclusive