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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 16 Nov 2018

    John Bareen and Walter Brattain first observed the basic principles of the transistor #OTD in 1947 https://cromwell-intl.com/radio/hfqrp.html?s=tweetbot … #hamradio

    11:14 PM - 16 Nov 2018
    0 replies 0 retweets 0 likes

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