11 inch Galileo Thermometer with 5 Glass Balls and Gold Temperature Tags - B0741H79VM

  • Model: B0741H79VM
  • 761 Units in Stock

$50.82  $19.24
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  • The 11 inch high blown glass Galileo thermometer is a sealed glass tube that is filled with liquid and 5 floating bubbles with temperature tags. The bubbles are glass spheres filled with a colored liquid mixture.

  • Attached to each bubble is a metal tag that indicates a temperature. These metal tags are calibrated counterweights. The weight of each tag is slightly different from the others.

  • Each bubble temperature tag differs very slightly in density (the ratio of mass to volume) from the other bubbles.

  • As the temperature of the air outside the thermometer changes, so does the temperature of the liquid surrounding the bubbles. As the temperature of the liquid changes, it either expands or contracts, thereby changing its density and raising or lowering the weighted tags.

  • Temperature indicated: If there are some bulbs at the top and some at the bottom, but one floating in the gap, then the one floating in the gap tells the temperature. If there is no bulb in the gap then the average of the values of the bulb above and below the gap gives the approximate temperature.

  • Temperature indicated: If there are some bulbs at the top and some at the bottom, but one floating in the gap, then the one floating in the gap tells the temperature. If there is no bulb in the gap then the average of the values of the bulb above and below the gap gives the approximate temperature. Temperature balls are indicated at : 80-64 degrees Fahrenheit.

    11 inch Galileo Thermometer with 5 Glass Balls and Gold Temperature Tags - B0741H79VM


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