A mercury barometer measures air pressure using a column of mercury in a glass tube that is sealed at one end and inverted in a dish of mercury.
(A mercury barometer measures air pressure; using; a column of mercury; L:in a glass tube) (a glass tube; is sealed; T:at one end) (a glass tube; inverted; L:in a dish of mercury)
A mercury barometer measures air pressure a glass tube a glass tube
using is sealed inverted
a column of mercury L:in a glass tube
T:at one end
L:in a dish of mercury