[Greenbuilding] Jevons and plumbers

[Reuben Deumling]

Just for the record, the man's last name has six letters, not five.
http://en.wikipedia.org/wiki/William_Stanley_Jevons

On Mon, Jul 30, 2012 at 11:20 AM, Clarke Olsen <prismoidal at gmail.com> wrote:

> Jevon's observation was of the increased use of coal when early steam
> engines became more efficient.
>
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