On Wed, 23 Jun 2004 14:03:04 -0500, David VanHorn wrote:

> Layout done right is like a proper sewer system, nearly all the S*** goes where you want it to, almost all
the time.  (Feel free to quote this.. :)

Sir Joseph Bazalgette would have been proud!  He built the London sewage system, about 150 years ago.  Let's
see how the analogy runs...

He built Interceptor Sewers (Y capacitors?) that collected the effluent and ran gently downhill in enclosed
tunnels to keep going the right way (shielding, chokes?), merging together and getting bigger until they
reached the sea (supply Earth).  There were one-way self-closing doors at junctions that stopped an
unexpectedly high level in one part of the system from flowing back up another (diodes?).  To cope with storms
there were weirs that allowed excess effluent to flow over into a secondary system (varistors?).

That seems to work reasonably well!  :-)  Gives me a way to remember how to do it in future...

The one problem he had that doesn't map is that the downhill flow ended below sealevel, so he had to build a
pumping station to bring it back up - I'm not sure if this situation has an analogue in electronics?

Cheers,

Howard Winter
St.Albans, England

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