👉 The term "cyanometer" is a scientific term that refers to a device used for measuring atmospheric pressure. It was first described by Austrian physicist Johann Heinrich Hertz in 1850, and it has since been widely adopted as a standard measurement tool in various fields such as meteorology, engineering, and physics. The cyanometer consists of a tall cylinder or tube that is filled with a liquid (usually water) and attached to a spring scale. The liquid inside the cylinder provides a
