Re: wireless electricity

Article View: sci.electronics

Article #21287

#21287

From: Jack Gjovaag
Date: Tue, 02 May 1989 14:38

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In article <17794@cup.portal.com> ISW@cup.portal.com (Isaac S Wingfield) writes:
>Greg Wageman writes:
>
>Hmm, I guess you must be too young to remember crystal radios?  These
>were radios that used a diode (originally, a germanium crystal and a
>                                             ^^^^^^^^^
>Nope. Iron pyrites (fool's gold).
>      ^^^^^^^^^^^^

Nope again.  Galena (a lead/sulpher compund)


  Jack Gjovaag
  Tek Labs

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References: <gYJRpyy00WB-E57Uwj@andrew.cmu.edu> <913@snjsn1.SJ.ATE.SLB.COM> <17794@cup.portal.com>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!unmvax!pprg.unm.edu!hc!lll-winken!uunet!tektronix!tekcrl!tekgvs!tekirl!jackg
From: jackg@tekirl.LABS.TEK.COM (Jack Gjovaag)
Newsgroups: sci.electronics
Subject: Re: wireless electricity
Message-ID: <5040@tekgvs.LABS.TEK.COM>
Date: 2 May 89 14:38:17 GMT
References: <gYJRpyy00WB-E57Uwj@andrew.cmu.edu> <913@snjsn1.SJ.ATE.SLB.COM> <17794@cup.portal.com>
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