Listening Devices
A terrific collection of World Wars-era listening devices.
This entry was posted on Thursday, December 17th, 2009 at 9:05 pm and is filed under art+design, cranks, history, science. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.
One Response to “Listening Devices”
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Maryanne said on December 21, 2009 at 7:49 am:
Well, at least no one would be suspicious of these! LOL