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  • Re: Ebay sales used for Rarity coding

    is possible you send this pictures? Tks Andre

    andre_tfjr 1 day ago
  • Another Hemmi 258

    Hi - Do we (still) keep up with Hemmi 258 Versalogs, and is there an official listing/registry? I have one. I've actually had it for a while; just haven't

    nganir 1 day ago
  • Re: Need cursor for seven foot Pickett

    Norm, Yes, please. I would appreciate the photos. Thanks! Fred On Friday, August 11, 2017 9:51 PM, "'Norm Goldblatt' ngold@... [sliderule]"

    fjrains 5 days 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:


To subscribe, send an email to:


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

  • 1632
  • Mathematics
  • Dec 21, 1998
  • English

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