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Roos Company Slide Rule SR-109

Message #549 of 559 |

I found a Roos Company SR-109 and was wondering if anyone has
information on the company and slide rule.

Fri Feb 1, 2008 12:30 am

"captainsimos" <captainsimos@...>

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Message #549 of 559 |

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I found a Roos Company SR-109 and was wondering if anyone has information on the company and slide rule....	captainsimos	Feb 1, 2008 2:41 am