elavhõbedasammast
Elavhõbedasambast, also known as mercury column or mercury thermometer, refers to a type of thermometer that uses mercury to measure temperature. This device typically consists of a glass tube with a vacuum at the top and a bulb at the bottom containing a small amount of mercury. As the temperature changes, the mercury within the bulb expands or contracts, causing the mercury column to rise or fall within the calibrated glass tube. The markings on the tube indicate the corresponding temperature.
Historically, mercury thermometers were widely used in scientific research, medical settings, and households due to their