The kind that designed the Mercury, Gemini, and Apollo Spacecraft!
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On Wednesday, August 10, 2022 at 06:32:42 PM CDT, 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:
