Re: look what I found at Goodwill
a slide rule
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On Wed, Aug 10, 2022 at 4:32 PM John <ve3kkqve3kkq@...> wrote: What the heck kind of ruler is that!?
John
On Wed, Aug 10, 2022 at 2:55 PM Martin Glazer <mglazer2014@...> wrote:
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