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Home  >  Discontinued  >  Ambient Weather WS-YG640 Indoor / Outdoor Wall Hanging 27" Galileo Thermometer (discontinued)

Ambient Weather YG640 Outdoor Wall Hanging Galileo Thermometer

Ambient Weather WS-YG640 Indoor / Outdoor Wall Hanging 27" Galileo Thermometer (discontinued)
Ambient Weather WS-YG640 Indoor / Outdoor Wall Hanging 27" Galileo Thermometer (discontinued)
Ambient Weather WS-YG640 Indoor / Outdoor Wall Hanging 27" Galileo Thermometer (discontinued)
Ambient Weather WS-YG640 Indoor / Outdoor Wall Hanging 27" Galileo Thermometer (discontinued)
Ambient Weather WS-YG640 Indoor / Outdoor Wall Hanging 27" Galileo Thermometer (discontinued)
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Item #: WS-YG640
The Galileo thermometer consists of a sealed glass tube that is filled with water and several floating bubbles. The bubbles are glass spheres filled ... [Read More]
Our Price: $34.99
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Product Description


The Galileo thermometer consists of a sealed glass tube that is filled with water and several floating bubbles. The bubbles are glass spheres filled with a colored liquid mixture.

Attached to each bubble is a little metal tag that indicates a temperature. These metal tags are calibrated counterweights. The weight of each tag is slightly different from the others. Since the bubbles are all hand-blown glass, they aren't exactly the same size and shape.

The bubbles are calibrated by adding a certain amount of fluid to them so that they have the exact same density. So, after the weighted tags are attached to the bubbles, each differs very slightly in density (the ratio of mass to volume) from the other bubbles, and the density of all of them is very close to the density of the surrounding water.

As the temperature of the air outside the thermometer changes, so does the temperature of the water surrounding the bubbles. As the temperature of the water changes, it either expands or contracts, thereby changing its density. So, at any given density, some of the bubbles will float and others will sink. The bubble that sinks the most indicates the approximate current temperature.

IMPORTANT NOTE: Mounting bracket pictured is not included. Most standard plant mounting brackets (horizontal or vertical) are compatible. The hanging hook and cradle pictured is included.
Features
Overall height: 27 inches tall
Number of glass balls: 11
Glass Galileo thermometer range: 60ºF – 100ºF
Temperature is determined by lowest floating bulb
Attractive wall hanging hook with mount


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