Carefully weighted glass globes are suspended in a liquid-filled tube, where they sedately sink or float as the surrounding air gets hotter or colder. Apart from thermometers for health conditions, we also offer wholesale indoor and outdoor household thermometers for other functions.

All the spheres will sink toward the bottom of the tube, and all you’ll know is that the temperature is hotter than the one on the medallion of the lowest sphere. The thermometer (both the actual glass thermometer and the holder) arrived immediately, great condition and was just as pictured. As the temperature changes, the multi coloured floating globes RISE and FALL within the liquid filled thermostatic tube.

Really, I don’t think you’ll find a more attractive way to measure temperature which is why people use them for decorative purposes. She has presented at the American Association of Chemistry Teachers (AATC) and was an Adjunct General Chemistry Instructor at Northeast Wisconsin Technical College.

Anne has a BS in Chemistry from the University of Wisconsin, Oshkosh, and an MA in Secondary Education and Teaching from Viterbo University. I got a bit confused filling the barometer as the instructions implied you only need one syringe full (5ml) of coloured water; I put in nearly 30ml, and now it looks like the pictures.Under normal conditions, the orbs will settle into two groupings toward the top and bottom of the glass column as shown to the left. The clear liquid in a Galileo thermometer is ethanol, a colorless volatile liquid with very little odor. Personalised advertising may be considered a “sale” or “sharing” of information under California and other state privacy laws, and you may have a right to opt out.