Wow! This post is an incredible find for me. Thank you for sharing this. This bike was designed by my Great-Great-Great-Grandfather Ernest D. Kenyon. Our family is currently looking for one of these first generation bikes, as it has a huge sentimental value to us. Surprisingly, the company that ultimately took over the Kenyon Bicycle Mfg. Co. is still in business today known as Barr Bikes.
https://www.barrbike.com/articles/our-history-pg182.htm
Here's a picture of Ernest D. Kenyon:
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And one of the original flyers:
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