Batteri: Forskelle mellem versioner

* [[Bagdadbatteriet]]<ref>[http://www.smith.edu/hsc/museum/ancient_inventions/battery2.html Battery, Baghdad, 250 BCE]</ref><ref>[http://www.world-mysteries.com/sar_11.htm World Mysteries – Strange Artifacts, Baghdad Battery] {{Webarchive|url=https://web.archive.org/web/20110505154602/http://www.world-mysteries.com/sar_11.htm |date= 5. maj 2011 }} Citat: "...The rod showed evidence of having been corroded with an acidic agent...German archaeologist , Wilhelm Konig, examined the object and came to a surprising conclusion that the clay pot was nothing less than an ancient electric battery......"</ref>