Having learned the meaning of "pressure" from the study of hydrostatics, the pupil is easily led to understand the striking phenomena of atmospheric pressure. He should readily appreciate that the term refers to the gravity pressure of the atmosphere.
©1929 by Iowa State Teachers College
Science Bulletin: Vol. 1:
3, Article 11.
Available at: https://scholarworks.uni.edu/science_bulletin/vol1/iss3/11