Talk:1742 in science

External links modified
Hello fellow Wikipedians,

I have just modified 1 one external link on 1742 in science. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:
 * Added archive http://web.archive.org/web/20110726072001/http://www.1911encyclopedia.org/Chronograph to http://www.1911encyclopedia.org/Chronograph

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Cheers.— InternetArchiveBot  (Report bug) 15:45, 9 August 2016 (UTC)