User talk:196.156.23.178

July 2020
Hello, I'm Joseywales1961. An edit that you recently made to History of the periodic table seemed to be a test and has been removed. If you want to practice editing, please use the sandbox. If you think a mistake was made, or if you have any questions, you can leave me a message on my talk page. On English wikipedia please contribute in English JW 1961   Talk  12:51, 14 July 2020 (UTC)
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