sliderule : The International Slide Rule Group

2 New Members - 77 New Messages - 18 New Files - New Questions

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

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

I just thought this picture was funny

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

SV: SR Re: Pictures of Brazilian rules Marion. We are both getting a little old, aren't we? And our eyes may not be up to par any more :-) That 'z' is a '2' ! IOW that label is 1/(x^2), which is Posted - Sun Nov 22, 2009 7:03 pm	John Mosand jomosand Offline Send Email
SV: SR Re: Pictures of Brazilian rules John, I have some questions on the 967U. It uses different scale labels. For example, why 'x sub-z' while others use only x? Is this to simplify descriptions Posted - Sun Nov 22, 2009 4:51 pm	sliderulenut Offline Send Email
SV: SR Re: Pictures of Brazilian rules The transparent back: Archimedes probably 'stole' also that from Aristo, which had several models with transparent backs showing the entire slide. Notably the Posted - Sun Nov 22, 2009 2:20 pm	John Mosand jomosand Offline Send Email
Re: Minty I have always found the term "Minty" to be a little flaky. Either label the slide rule as in "mint condition" , "NOS" , "new condition" or "unused". John Posted - Sun Nov 22, 2009 4:36 am	John Starr starguy1 Offline Send Email
Re: Minty Mmm, try a minty one with chocolate. ... From: "Jones, Jon C." <jcjones@...> Date: Thu, 19 Nov 2009 13:38:52 To: <sliderule@yahoogroups.com> Posted - Sun Nov 22, 2009 3:37 am	lpbays1@... lpbays1 Offline Send Email
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