Still Waters Posted January 17, 2019 #1 Share Posted January 17, 2019 A periodic table found during a laboratory clear-out at the University of St Andrews is believed to be the oldest in the world. Experts have dated the teaching chart as being printed between 1879 and 1886. Work has been taking place to authenticate and preserve the fragile chart since it was found among old chemistry equipment in 2014. Russian chemist and inventor Dmitri Mendeleev made his famous disclosure on periodicity in 1869. The St Andrews chart bears an inscription identifying a scientific printer who operated in Vienna between 1875 and 1888. https://www.bbc.co.uk/news/uk-scotland-edinburgh-east-fife-46904926 3 Link to comment Share on other sites More sharing options...
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