FREE: Galileo thermometer nice decorative piece

The listing, Galileo thermometer nice decorative piece has ended.

-Galileo thermometer.-A gold tag that displays a temperature in Fahrenheit hangs beneath each ball.-Each of the liquid-filled floats weighs exactly .006 grams more than the one above it.-Precise measurements of the liquid filled balls ensure a stately and orderly procession of ups and downs as the temperature changes.-To tell the temperature, you read the tag on the lowest of the floating balls.-As the temperature of the fluid in the cylinder increases, the pressure drops and the liquid becomes less dense.-When the precisely measured floats reach their specific calibrated temperature they drop.-As the temperature of the liquid cools, the process is reversed and the floats rise from the bottom of the cylinder. Color/Finish: -This thermometer features seven floating multi-colored temperature gradients of 2 degree farenheit from 68 degree farenheit to 80 degree farenheit and is accurate to within 2.5 degree.-Each Thermometer is encased in brilliant glass with many multi-color floating balls. Dimensions: -Overall dimensions: 17'' H x 2'' W x 2'' D

these are cool thermometers and make a nice decorative piece

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