H-B DURAC Galileo Thermometer 18 to 30C (64 to 88F) 7 Spheres 17""
GALILEO GALILEI DISCOVERED WHEN A LIQUID'S TEMPERATURE INCREASES ITS DENSITY DECREASES. HIS FINDINGS INSPIRED THESE UNUSUAL AND INTERESTING THERMOMETERS WITH COLORFUL SPHERES WHICH RISE AND FALL TO INDICATE TEMPERATURE. UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" DECORATIVE FUNCTIONAL THERMOMETERS ARE A GREAT CONVERSATION PIECE PERFECT FOR THE HOME OR OFFICE SEALED GLASS CYLINDER CONTAINS A CLEAR LIQUID AND SEVERAL GLASS SPHERES OF VARYING DENSITIES TAG ON THE LOWEST SPHERE IN THE TOP GROUP INDICATES THE CURRENT TEMPERATURE
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