Talk:1831 in science

External links modified
Hello fellow Wikipedians,

I have just modified one external link on 1831 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 https://web.archive.org/web/20070922055840/http://www.icons.org.uk/theicons/icons-timeline/1820-1840 to http://www.icons.org.uk/theicons/icons-timeline/1820-1840

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

Cheers.— InternetArchiveBot  (Report bug) 09:40, 14 June 2017 (UTC)