Man, that sucks. ;) Sorry, couldn't resist.
-------- Original Message -------- Subject: [USMA:45330] Vacuum display From: "Michael Payne" <[email protected]> Date: Thu, July 09, 2009 12:53 pm To: "U.S. Metric Association" <[email protected]> I was under the impression SI pressure in Pascal's was always positive. Earth pressure near 100 kPa, Mars pressure near 20 kPa, outer space near 0 Pa. Is this correct. I see the gauge from Yellow Jacket has an area listing a minus side. Mike Payne
