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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 6 Jan 2019

    Alfred Vail demonstrated a telegraph system using dots and dashes #OTD in 1838, a forerunner of Morse code https://cromwell-intl.com/radio/morse-code.html?s=tweetbot … #hamradio

    7:34 AM - 6 Jan 2019
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