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<p>[QUOTE=&quot;longnine009, post: 3656468, member: 1886&quot;]The Navy used to have this wooden grounding pole with wires and alligator clips on it to ground out capacitors.</p><p>But it also had a small flashlight bulb in the middle just sitting in a hole that was drilled into the wood. No one knew what this lightbulb was for. The Chief said someone was just playing with everyone. Some thirty years later I was telling my father about it. He once worked for Sperrys on fire control radars and they had the same thing. The idea was that the light bulb would light up if there was radiation present. He didn&#039;t know if it actually worked or not but that was the idea behind the mystery light bulb.[/QUOTE]</p><p><br /></p>

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