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A History of the County of York
… without an improvement in lighting and the introduction of heating. The old candle-lighting was improved in 1820 28 and … Gurney stoves, and in 1928 these were replaced by central heating. 34 The 20th Century Duncombe was succeeded by Arthur …
Dictionary of Traded Goods and Commodities
… explained in the late seventeenth century. It involved heating the ore in a reverbaratory furnace until the ARSENIC …