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Jun 9, 2019 at 0:58 comment added Adrian Howard john@ the weight of the mass above does increase the pressure on the mass below
Jul 2, 2018 at 2:43 history edited john CC BY-SA 4.0
Included the statement that the barrels nust be open to atmospheric pressure.
Apr 24, 2017 at 15:43 review Late answers
Apr 24, 2017 at 17:02
Apr 24, 2017 at 15:27 history answered john CC BY-SA 3.0