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Recent Posts

  • Closing the Clasp on the Mesh Band

    Mar 07 2018

    It is not entirely obvious how the band clasp should be closed. There is an additional component, the safety clasp, that helps ensure tha...

  • Calculating Logarithms Manually

    Dec 29 2017

    In my previous post I described how I calculated the layout of the logarithmic scales for the slide rule watch. I used a computer to recr...

  • Plotting the Logarithmic Scale

    Dec 28 2017

    Slide rules, once figure out how to use them, have a near magical power to them. How can such a simple idea as two rulers become such a p...

  • New Sample of A1O Slide Rule Watch

    Dec 16 2017

    We've received an updated prototype of the A1O Slide Rule Watch. There are a few changes and improvements that we'd like to share with yo...

  • Slide Rule Watch Production Update

    Oct 29 2017

    Over 80% of backers have completed the survey so far.  This provides enough data to finalize production numbers and production began on O...

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