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the liquid inside a galileo thermometer is NOT WATER. It is KEROSENE. I just broke mine last night. It smelled like kerosene to me. So after I soaked up the fluid with rags, I tossed them into the fireplace to see what would happen. Guess what, they burned like rags soaked in kerosene. Very volatile stuff. I won’t have one in my house again.


A Galileo thermometer (or Galilean thermometer) is a thermometer made of a sealed glass cylinder containing a clear liquid and several glass vessels of varying density.. The individual floats rise or fall in proportion to their respective density and the density of the surrounding liquid as the temperature changes,


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So a friend of mine broke my Galileo thermometer recently. The glass tube and the liquid inside were lost, but the bulbs survived. I've cleaned out an old tall glass candle, and tried filling it with water. Even when the water is steaming hot the bulbs still float, so the liquid in there was definitely not water.


The liquid in Galileo thermometers need not be alcoholic or mercuric. Simple water is a sufficient and supple conductor of heat. Nor does food-coloring have to be added to the bubbles for the thermometer to work. Rather, the different colors of the floating bubbles make for easier identification and a more pleasant aesthetic.


There’s no more beautiful way to measure the temperature than using a Galileo thermometer. This fairly accurate instrument is based on the thermoscope invented by Galileo Galilei in the early ...

www.greenearthstores.com/faq/MSDS - Galileo Thermometer.pdf

MATERIAL SAFETY DATA SHEET Galileo Thermometer Page 2 of 3 SECTION 7 HANDLING AND STORAGE Handling Wear appropriate protective clothing and safety gloves. Avoid contact with eyes, skin. Avoid inhalation. Mechanical exhaust required. Keep away from ignition sources, heat and flame. Incompatibilities: strong oxidizing agents and foods.


Galileo Thermometers Named after Galileo Galilei for his discovery of the principle on which this thermometer is based. Galileo thermometers are made of a sealed glass cylinder containing a clear liquid and several glass bulbs of varying mass.


This stylish free standing Galileo thermometer will look great in any position indoors and shows the current temperature. Orange Galileo Thermometer 11x2" $11.27. Buy It Now. Free Shipping. It is a perfect gift to arouse kids interest in science or be a fun and scientific decor. Galileo Thermometer by Kikkerland.