Product Description
Glass Barometer with Etched World Map and Blue Coloring Poweder: Patio, Lawn & Garden. Any changes in the atmospheric pressure are visible by the rising or falling level of water in the spout. This Glass Barometer will predict barometric weather changes by observing the rise and fall of liquid in the spout. All you have to do is to add colored powder to distilled water and into the globe with the included syringe and flexible tube and it is ready to go. The instructions are included. Reading The Instrument: Variations in barometric pressure are immediately indicated by the level of water in the spout. A low water level in the spout suggests high pressure, representing fair weather. A high water level in the spout suggests low pressure inch and forecasts poor weather conditions. In cases of severe weather (or major storms), the water may even run out of the spout. How it works: There is weight inch associated with the high and low-pressure systems which bring about changes in the weather. When the storm glass is filled with water, air pressure in the main chamber is trapped and held constant. While the storm glass will not indicate exact barometric pressure in numerical values, it is still regarded as an accurate monitor of air pressure changes.
Shipping Weight: 6.4 ounces
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