Galileo Galilei (1564 - 1642) invented the thermoscope, the world's first instrument indicating changes of temperature. Today, modern science has perfected a 400-year-old principle and created a work of art - the Galileo Thermometer This 17" tall glass cylinder wall hanging Galileo is available with the ever-popular multi-color spheres in a mahogany finish frame. The five fluid-filled glass globes descend as temperature rises, and ascend as temperature falls. Each one represents a 4°F temperature increment. You read the current temperature by looking at the lowest globe of those grouped at the top of the cylinder. Measuring Ranges: Temperature: 64°F to 80°F Dimensions: Woodframe: Length: 18.25 in. (46.3 cm) Width: 2.25 in. (5.7 cm) Depth: 4.25 in. (10.8 cm) Glass: Length: 17 in. (43.1 cm) Diameter: 2 in. (5.1 cm)
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