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ToiletGuru's profile
Bob Cromwell
Bob Cromwell
Bob Cromwell
@ToiletGuru

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Bob Cromwell

@ToiletGuru

The Indiana Jones and Ansel Adams of toilets. Plus, non-plumbing travel stories and pictures, Linux, cybersecurity, networking, and more.

cromwell-intl.com/travel/
Joined October 2013

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    Bob Cromwell‏ @ToiletGuru 8 Jan 2019

    Herman Hollerith was issued US patent #395,791 for his punched-card calculator https://cromwell-intl.com/open-source/getting-started.html?s=tweetbot …

    6:39 AM - 8 Jan 2019
    0 replies 0 retweets 0 likes

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