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3 members, 26 messages added in the last 7 days
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  • Re: Faber-Castell

    Good points about the potential pitfalls of silicone-based lubricants. They are hard to remove. That is also one of their great benefits. Volatilization and

    analogscales 1 day ago
  • Re: Faber-Castell

    Silicone oil is exceptionally difficult to remove, and impossible from plastics for the following reason. The European Space Agency (and probably NASA too)

    craig_sawyers 2 days ago
  • Re: Newbie question

    there are usually a few instruction manuals available on eBay--some specific to Pickett From: "disco1999@... [sliderule]" To:

    eltonmichael45 2 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

  • 1551
  • Mathematics
  • Dec 21, 1998
  • English

Group Settings

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