👉 A barograph is a type of barometer that measures the atmospheric pressure at a location. It consists of an open tube with a small opening at one end, which allows air to flow through it and into a closed container. The pressure inside the container is measured by measuring the change in volume when the air flows out of the tube. Barographs are used for various purposes such as meteorological forecasting, weather monitoring, and environmental studies. They can be used to measure atmospheric pressure at different points on