🚀 go-pugleaf

In article <7200013@silver> commgrp@silver.bacs.indiana.edu writes:
>Old-style incandescent streetlamps were wired in series.  I always 
>wondered how such a system could work. I finally learned the method 
>which kept the lights on when a bulb burned out:
>[...] Above each lamp socket was a pair of spring-loaded 
>contacts separated by a piece of waxed paper.  If one bulb burns out, 
>the voltage goes up, the paper arcs through and burns away, forming a 
>short circuit. [...]

This is essentially the same mechanism used in Christmas tree series
light strings.


-- 
William Swan	..!tikal.teltone.com!sigma!bill