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A corroded Patent Fuel cube
Patent fuel was a 19th-century artificial fuel made in Cardiff in Wales by mixing in a hydraulic press coal and binding substances, like pitch.[1][2] There were many factories producing this product with the same recipe, thus the only way of identifying them is their shape and imprinted logos. The most well-known patent fuel factories were the Star Patent fuel Co., the Crown Patent fuel, the Cardiff Patent fuel etc.[3] In the late nineteenth century and early twentieth century, south Wales was the main exporter of patent fuel in the world, with around three million tons a year being exported each year in the first decade of the twentieth century.[4] Patent Fuel cubes are exhibited at the National Museum of Wales in UK.[5]
^Lathrop, Lorin A. (1917). Supplement to Commerce reports: daily consular and trade reports (1917 ed.). Washington, D.C: Bureau of Foreign and Domestic Commerce. pp. 11, 13–14.
^Hallett, Howard M. (1920). Handbook to Cardiff and the neighborhood (with map) (1920 ed.). Cardiff: British Association for the Advancement of Science. pp. 148, 149, 189, 190, 192.
^Davies, J. (1908). The South Wales Coal Annual For 1908 (1908 ed.). Cardiff.{{cite book}}: CS1 maint: location missing publisher (link)
^Protheroe-Jones, Jennifer (2010). "Fuelling Antarctic exploration: The Crown Patent Fuel Company in Cardiff". Museum of Wales.
^Protheroe-Jones, J. "Crown patent fuel block". Museum of Wales.
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