July262010
rocketboom: Acoustic listening devices developed for the Dutch Army, part of air defense systems research between World War I and II. [more] Might need this for the comms dept for audio.  Might help me hear the sound downstairs? Problem solved! Yah!

rocketboom:

Acoustic listening devices developed for the Dutch Army, part of air defense systems research between World War I and II. [more]

Might need this for the comms dept for audio.  Might help me hear the sound downstairs? Problem solved! Yah!
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