Variable ramp again

[Don Tillman]

   Date: Thu, 05 Aug 1999 06:28:34 -0400
   From: harry bissell <harrybissell at PRODIGY.NET>

   Here is what (I think) Don proposed.  

Not quite...

Sorry for the confusion.  I described my idea in a very informal way,
like folks talking at a bar.  I didn't have time to develop it to any
degree, but I'm finding the uses for it more compelling, so I worked
out some of the details this evening.  (Over a few beers.)

Instead of wasting your time any more with my goofy descriptions,
here's a schematic and an analysis: 

http://www.till.com/articles/VariableSaw

  -- Don