Množina: barographs

ETYM Greek baros weight + -graph.
Instrument for recording air pressure, instrument continuously recording atmospheric pressure.
Device for recording variations in atmospheric pressure. A pen, governed by the movements of an aneroid barometer, makes a continuous line on a paper strip on a cylinder that rotates over a day or week to create a barogram, or permanent record of variations in atmospheric pressure.
A recording barometer; automatically records on paper the variations in atmospheric pressure.