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Player Piano Performance at High Altitude
By Steve Bentley 

When measuring absolute pressure, it is measured from a perfect
vacuum or zero.  So 14.7 is psig, pounds per square inch gage.

Likewise absolute temperature in Fahrenheit is minus 461, e.g.,
200 deg. Fah. + 461= 661 deg. Fah. absolute.

Steve Bentley
Vancouver, British Columbia, Canada

(Message sent Wed 31 Aug 2005, 05:29:58 GMT, from time zone GMT-0700.)

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