The teaching of the chemistry of the elements at the University of St Andrews by Professor Thomas Purdie FRS is examined with reference to selections from a collection of recently discovered historic wallcharts and extracts from his detailed hand-written lecture notes. Together these reveal a comprehensive and exciting programme of lectures incorporating numerous practical demonstrations which were continually updated to reflect the latest state of knowledge in what was a rapidly changing field. This article is part of the theme issue 'Mendeleev and the periodic table'.
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