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Thread: Str. George M. Verity Dedication Anniversary

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  1. #10
    Join Date
    Apr 2006
    Location
    Rock Island, Illinois mile 480 UMR
    Posts
    3,879

    Default Verity's wheel

    helical = spiral
    In the aforementioned book by David Tschiggfrie, he mentions the "double helical (herringbone) wheel". If you take one side of the wheel, you can see the 'spiral', so its a double spiral or helix, or herringbone. So Keith, Alan, and David on the helical and Capns Walnut and Reynolds on the herringbone are all correct.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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