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    <p>With DVSTs (Direct View Storage Tube) I'd go with vintage.</p>
    <p><a class="moz-txt-link-freetext" href="https://en.wikipedia.org/wiki/Direct-view_bistable_storage_tube">https://en.wikipedia.org/wiki/Direct-view_bistable_storage_tube</a><br>
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    <p>Do you need to heat the room when they are turned on?</p>
    <p>Jay S.<br>
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    <div class="moz-cite-prefix">On 12/1/2020 1:19 PM, Mattias
      Rickardsson wrote:<br>
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cite="mid:CAP92RBUuM7ZjQx+4zOxHcJBw3+awY4fhoBZBWrX1ccPdZY_UOw@mail.gmail.com">
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      <div dir="auto">Sure, my Tek 549 and 564 are storage oscilloscopes
        with the novel technique of keeping the phosphor glowing and
        all, but they have some vacuum tubes replaced by transistors so
        I'm not sure I'd call them vintage. ;-)
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        <div dir="auto">/mr</div>
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