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Ed, you wrote:

"Below  is one semi-official definition of BTU in English units.  1 BTU is
amount of heat to raise 1 lb of water 1 degree Fahrenheit."

Ed, I have searched all my engineering books but nowhere could I find a
conversion from degree Fahrenheit to feet.  Just how many feet do have to
raise that pound of water to equal one degree?

Just nit-pickin' a little, but I think you left out a word or two.  Yes, I
know, we all know what you mean, but years ago, my Physics professor marked
my exact same answer as wrong.

Bob Darrah

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