phhhht......phhhht......phhhht......phhhht......ph hhht......phhhht......

Hit the reject button to get the needle back.

wrote in message
...
In alt.solar.thermal daestrom
wrote:

I was thinking of a helical arrangement, you're talking about a
spiral like
a phonograph groove.

What do you do when you get to the center of the phonograph?
Isn't there still at least one crossover needed?

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Clarence A Dold - Hidden Valley (Lake County) CA USA 38.8,-122.5