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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 Dec 2018

    William Shockley, John Bardeen, and Walter Brattain built the first practical point-contact transistor #OTD in 1947 https://cromwell-intl.com/radio/probes.html?s=tweetbot … #history

    3:44 PM - 16 Dec 2018
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