[Pil-pc-oceania] A World Powered by Trompes

[Deb Guildner]

DVD: The Future of Food
http://www.thefutureoffood.com/involved.htm


----- Original Message ----- 
From: "tamara griffiths" <scarletwoman at hotmail.com>
To: <pil-pc-oceania at lists.permacultureinternational.org>
Sent: Thursday, October 11, 2007 10:17 AM
Subject: Re: [Pil-pc-oceania] A World Powered by Trompes


> No figures, sorry, but his lecture on them was very good.
> 
> If the fall of the water is deep enough, then the psi would be higher?
> 
> T
> 
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