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12 messages, 2 photos added in the last 7 days
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  • Re: Linex - The transparent slide that isn't ..

    Thanks for letting us learn more about UTO, DIWA, and LInex. I had some small correspondenc with John (Jensen) about his late efforts with DIWA's last

    sliderulenut 33 minutes ago
  • Linex - The transparent slide that isn't ..

    In "Proceedings of the 9th International Meeting of Slide Rule Collectors, September 2003" the late John Kvint writes about a Linex slide rule with a patented

    polsen51 3 hours ago
  • Re: Pickett 931 Please do share

    On April 20 and 21 I showed how to inject 2π into a computation if one lacks a special scale for that purpose. My example computed the resonant frequency of a

    paulhirose 22 hours ago
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Group Description


The International Slide Rule Group "ISRG" is devoted to collectors of slide rules and associated mechanical calculating instruments.





You may contact the listowner at:


sliderule-owner@yahoogroups.com



To subscribe, send an email to:


sliderule-subscribe@yahoogroups.com.




If you are serious about slide rule collecting, it is highly recommended that you consider joining

The Oughtred Society.



















Brought to you by:




Cyril Catt  - 
Andrew Davie  - 
Gary Flom  - 
Craig Kielhofer  - 
Jerome Mc Kenna



Slide rules are THE ORIGINAL solar powered calculators. Try using one in the dark and you'll see I'm right, or not see as the case may be.

This is your groupowners attempt at humor.


Group Information

  • 1565
  • Mathematics
  • Dec 21, 1998
  • English

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