Assertion: mercury barometer | /r/HasProperty | tube
Facets:
Source sentences:
text: A standard mercury barometer to measure atmospheric pressure is a tube with one end sealed.
text: A mercury barometer is a tube closed at the top, containing mercury with a "Toricellian vacuum" above it, and a mercury bath at the open bottom end.
text: The classic mercury barometer that we've come to love, is tube (usually glass) about 3 feet high with one end open and the other end sealed.