View single post by ArizonaEvp | |||||||||||||
Posted: Feb 16th, 2010 04:45 PM |
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ArizonaEvp
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clockdryve wrote: I am looking for a pair of "Piezo" crystal radio headphones to try soon as there supposed to be sensitive to weak currents. Greetings, Here's a link to "crystal earphones" at your favorite place http://cgi.ebay.com/1-Ceramic-Earphone-uesd-for-ham-crystal-radio_W0QQitemZ400042345816QQcmdZViewItemQQptZLH_DefaultDomain_0?hash=item5d2461c558 You can also get them at several science sites like: miniscience.com or sciencekitstore.com Happy hunting, Ron
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