Hydrometer: nm The hydrometer is an instrument that measures the density of liquids.
It consists of a closed glass tube graduated from 1000 to 1500. At the lower end, the thicker part looks like a bulb in which there are lead balls. It allows you to measure syrups.
To operate a hydrometer, a narrow test tube is used that is high enough to allow the hydrometer to float without touching the bottom. If the hydrometer is immersed in ...
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