Welcome to
the Slide Rule Guy's Web Site

Selection of slide rules & antique mechanical calculators available for sale.
 



 slide rules



 flight computers



 mechcanical calculators



 books



 manuals


Other information related to slide rule and calculator collecting.

The Texas Magnum
 the World's longest slide rule


 unusual slide rules



 related info

One thing I have observed while searching for slide rules, people will collect anything.
This observation resulted in me coining the phrase:

" If there is anything to collect, somebody will collect it. "


 

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The Oughtred Society.
Are you interested in learning about slide rules or collecting? Click the link to visit The Oughtred Society. An international organization dedicated to the history and collection of slide rules and related devices.
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