Assertion: barometer's reading | /r/HasProperty | inaccurate
Facets:
Source sentences:
text: The height of the column of mercury inside its glass tube is affected by many things that can cause the barometer to give "inaccurate" readings, but before you can determine what your barometer is trying to tell you, you will have to know if the barometer is working at all or if the mercury system has a fault, and precisely what sort of a reading you are comparing your barometer to.