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  1. Embed this notice
    Trammell Hudson (th@social.v.st)'s status on Wednesday, 07-Jan-2026 08:09:05 JST Trammell Hudson Trammell Hudson
    in reply to

    I typoed "slidewheel" and now think that is what circular slide rules should be called.

    In conversation about 4 months ago from social.v.st permalink

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    1. https://social.v.st/system/media_attachments/files/115/838/066/826/445/077/original/e8395ba0d3049e76.jpeg
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      Trammell Hudson (th@social.v.st)'s status on Wednesday, 07-Jan-2026 08:09:06 JST Trammell Hudson Trammell Hudson

      Now that y'all know the basics of celestial navigation, how about trying my latest printable slide rule to calculate the Computed Height of a star given your latitude, the star's declination, and the hour angle between your positions? https://trmm.net/navwheel/

      In conversation about 4 months ago permalink

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      1. https://social.v.st/system/media_attachments/files/115/838/048/051/886/451/original/d5cd981af5c56d37.png
      2. Domain not in remote thumbnail source whitelist: live.staticflickr.com
        Navigation Slidewheel
        This is a specialized circular slide rule for computing height of a celestial object.
      Minoru Saba repeated this.

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