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This painting is part of a series depicting scientific apparatus on display in the Royal Institution (Ri)’s museum. It shows one of the voltammeters Michael Faraday used at the Ri during the early 1830s to quantify electricity for the first time. The voltammeter works by electrolysis: using electricity to break a compound down into elements. The electric current is passed through a known amount of a compound for a set amount of time.
oil on canvas
19.6 x 19.9 cm
gift from Mr and Mrs John Symons, 2010