Reference: AP3
Category: Atmospheric Pressure
Purpose: Used to measure air pressure.
Description: 1) Vacustat (small McLeod gauge)
2) Open and close tube manometers.
3) Bourdon cages, for high pressures (open at the back to show the works).
4) Aneroid barometer.
5) Barograph and barograph traces (show twice daily regular variations in pressure)
