Assertion: mercury barometer | /r/HasAspect | a glass tube
Facets:
Source sentences:
text: A mercury barometer has a glass tube that is closed at the top and open at the bottom.
text: A mercury barometer has a glass tube closed at one end with an open mercury-filled reservoir at the base.
text: A mercury barometer has a glass tube closed at one end with an open mercury-filled reservoir at the base.
text: A mercury barometer has a glass tube with a height of at least 84 cm, closed at one end, with an open mercury-filled reservoir at the base.