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Hydrometer

Published 11.11.2010 Presenter Anton Pankratov

Hydrometer

Hydrometer (aerometer - from the Greek. Araiys – weak, here – liquid, and metr?? - measure) is a device used to measure the density of liquids and solids. The operation of the hydrometer is based on the Archimedes principle that the weight of a fluid displaced by a suspended solid (in this case by a hydrometer) equals to its weight ...