URL details: www.vcalc.net/cu.htm#oldest

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URL title: The CURTA Calculator Page
URL description: curta calculator
URL keywords: curta calculator, curta, calculator, herzstark, curt herzstark, rick furr, mechanical calculator, curta drawings, curta patents,
URL last crawled: 2022-06-30
URL speed: 0.337 MB/s, downloaded in 0.400 seconds

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