Bar (unit of measure)
21 04 2009Posted by Robert @ 10:00 am
A Bar is a unit of measure that is 14.503 pounds per square inch.
An espresso machine uses nine or 10 Bars of pressure to force hot water through the finely ground coffee beans. A Bar is roughly the same as the average pressure of the earth’s atmosphere, which is 1.013 25 Bar.
Author’s note:
A bar could also be in reference to an espresso bar.
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