Slide Rules related domains (7)

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• hpmuseum.org The Museum of HP Calculators
• sliderule.it Giovanni Breda's Slide Rule Collection
• slidingscale.info Home
• steves-sliderules.info Steve's Slide Rule Collection
• sliderules.info Slide Rules
• sliderule.ca Eric's Slide Rule Site
• retrocalculators.com RetroCalculators - A Webzeum of Mechanical Calculators Ingenious