In reply to Jones Beene's message of Sat, 20 Oct 2007 10:31:44 -0700 (PDT): Hi, [snip] >My problem is that much of my thinking was based on >earlier incarnations, and this last one (with all the >LEDs in series) seems different. > [snip] Check out US3781601. Regards, Robin van Spaandonk The shrub is a plant.