Information on plaque from: http://www.chemheritage.org/pubs/ch-articles/v23n1-priestley3.html; Photograph of a 1904 memorial tablet, featuring a relief portrait of Joseph Priestley. Portrait is after a late 18th century plaque manufactured by Josiah Wedgwood. For a photograph of the original plaque, see P/P933a S. Also inscribed on tablet: This tablet was erected by the Warrington Society on the Centenary of his death, 6th February, 1904. Motto at top of tablet: Fiat Lux. Translation: Let there be light. 2 copies.; Photograph
Collection:
Edgar Fahs Smith Image Collection (University of Pennsylvania)
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