<div dir="ltr"><div dir="ltr">On Thu, Oct 25, 2018 at 12:19 PM Warin <<a href="mailto:61sundowner@gmail.com">61sundowner@gmail.com</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
  
    
  
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    <div class="gmail-m_-7109725112560579470moz-cite-prefix">On 25/10/18 21:42, Paul Allen wrote:<br>
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        <div dir="ltr">On Thu, Oct 25, 2018 at 7:38 AM Joseph Eisenberg
          <<a href="mailto:joseph.eisenberg@gmail.com" target="_blank">joseph.eisenberg@gmail.com</a>>
          wrote:<br>
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                <div dir="auto">I am working on rendering
                  man_made=telescopes, starting with
                  telescope:type=radio. Next will be
                  telescope:type=optical.</div>
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            <div>I do hope that telescope:type=audio (or accoustic, your
              choice) is on your to-do list.  It would be</div>
            <div>nice to map these: <a href="https://en.wikipedia.org/wiki/Acoustic_mirror" target="_blank">https://en.wikipedia.org/wiki/Acoustic_mirror</a>
              (there are still a few hanging</div>
            <div> around from WW II).</div>
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    These would be;<br>
    disused:telescope:type=audio <br>
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    or possibly after all this time abandoned:<br></div></blockquote><div><br></div><div>The wiki (or at least the bit I looked at some time ago) seems to state that the difference between</div><div>disused and abandoned is how much effort would be required to bring it back into operation.</div><div>Since these only need microphones and amplifiers to be restored to full function, they're</div><div>disused, not abandoned (by that wiki definition).</div></div><div class="gmail_quote"><br></div><div class="gmail_quote">At least one of these telescopes is a listed building: <a href="https://britishlistedbuildings.co.uk/101271803-the-listening-post-selsey">https://britishlistedbuildings.co.uk/101271803-the-listening-post-selsey</a></div><div class="gmail_quote"><br></div><div class="gmail_quote">More info at <a href="https://www.theregister.co.uk/2018/05/31/geeks_guide_to_britain_sound_mirrors_north_east/">https://www.theregister.co.uk/2018/05/31/geeks_guide_to_britain_sound_mirrors_north_east/</a><br></div></div></div>