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	Our Galileo thermometers combine art with science. They provide an accurate reading of current weather conditions. Temperature is indicated by the lowest "floating" sphere in the top grouping. As accurate as laboratory thermometers. Predict changes in the weather by referencing fluid rise and fall in the barometric tube. The hygrometer measures humidity.

* Choice of colors: 1) Mixed Colors, 2) Cobalt Blue, 3) Jet Black, 4) Emerald Green, 5) Bordeaux,
6) Amber/Cognac, 7) Clear, 8) Purple, 9) Yellow.

* All temperature weights are 24 Kt. Gold Plate

History

This fascinating weather instrument provides a reading of the current weather conditions using several scientific methods established hundreds of years ago.

The Thermometer portion of the instrument works based on a "Natural Law of Physics" discovered by Galileo (1564-1642). It was Galileo, "the Father of Modern Physics", who established the principle that liquids change in density as temperature changes. Our thermometer is a replica based on Galileo¹s experiments. When the temperature rises, the liquid in the glass cylinder become less dense and the spheres sink slowly, one by one. Conversely, the spheres will rise as the temperature decreases.

The lowest floating sphere in the upper portion of the cylinder indicates the correct temperature.

The side mounted "Barometer Tube" or "Water Barometer" on our Thermometer Barometers and Weather Stations™ date back to early 17th century Europe. A time when farmers and mariners relied on instruments such as this to predict changes in the weather. The rise and fall of the fluid in the vertical tube indicates a change in barometric pressure and coming weather conditions. If the fluid rises, there is a chance of bad weather. Falling fluid indicates chance of fair weather.

The Hygrometer measures humidity.

How It Works

Thermometer

The colored floating spheres are "pushed" either up or down depending on the changing density of the clear fluid inside the glass thermometer body. When the temperature goes up, the clear fluid becomes less dense and rises - forcing the spheres down one by one. When the temperature goes down, the clear fluid becomes denser - forcing the spheres upward.

Barometer

While not as accurate as modern day aneroid barometers, the principle of the early "Water Barometer" is sound. When atmospheric pressure decreases, the fluid is pulled upward toward the top of the barometer tube (low pressure). As atmospheric pressure increases, the fluid is "pushed down" (high pressure). Standard atmospheric pressure at sea level is 29.92".

Hygrometer

The Hygrometer Gauge measures % of relative humidity in the air. Humidity is determined by reading the number at the end of the indicator pointer.

PREPARATION OF YOUR GALILEO WEATHER STATION™

Carefully remove shipping cap from barometer tube with slight twisting motion (cap is identified with tag). It is best to remove cap over bathtub or kitchen sink because colored fluid may squirt due to current low atmospheric pressure or altitude. Allow time for liquid to settle. Some agitation of liquid in the barometer tube may occur during shipping. To remove bubbles, use "Pipette Tube" as supplied. Submerse "Pipette Tube" in water (distilled water recommended) and fill by squeezing tube. Over a kitchen sink, insert "Pipette" into top of barometer tube and squeeze, forcing water into barometer tube (you may have to squeeze "Pipette" 2-3 times). Bubbles will disappear and your barometer is set. Changes in barometric pressure will cause the fluid to rise and fall. If over time you experience evaporation, refill barometer reservoir using a premixed solution composed of distilled water and food coloring. Inject fluid using the same procedure as above. Fill to level no higher than top of Hygrometer.

Manufactured in the USA by Crystal Melody™, Inc.

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