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16 messages, 2 photos added in the last 7 days
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  • Re: Darmstadt trig scales on body

    I miss typed the last section: Read as ->D(10) =>CI(3) ->Ci(4) *T(36.9) ->S(36.9) *CI(5) So, we have four actions, three hairline moves and one slide move with

    sliderulenut 6 hours ago
  • Re: Darmstadt trig scales on body

    Paul, I have a three cosine solution using two proportions but it is messy and takes more operations. Here is a typical problem used by EEs that the Darmstadt

    sliderulenut 7 hours ago
  • File - GroupReminder

    All members of the The International Slide Rule Group are reminded that posting guidelines from your moderators are available at the following:area: FILES

    sliderule@yahoogroups.com 17 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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