Linked from
The 12 pages that link to Manometer, each with the reason it gives.
PressureRelated: A manometer makes pressure differences visible through fluid displacement.
BarometerCompared with: Unlike a barometer, it commonly measures pressure in enclosed systems.
Gas lawsRelated: Pressure measurements supply a key variable in gas-law calculations.
Gas pressureBroader topic: Manometers compare gas pressure with a reference pressure.
Pitot tubeRelated: Early and laboratory setups can read pitot pressure differences with a manometer.