I went to the local Radio Shack (yes, I'm far out enough into the sticks we still got Radio Shacks) and got a 8A 400V bridge recitifer, cut open a power cable, and wired it according to the schematic ...
Dangling over a vertiginous gorge, the Apurimac River flowing around 10 stories below, Indigenous Peruvians show no fear as they repair a centuries-old Inca rope suspension bridge -- the world's last.