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Automatische Übersetzung:
John Loudon MacAdam, 1825, by Charles Turner - lithograph in The British Museum, London (Print Room) (J. R. Freeman) - John Loudon McAdam (September 21, 1756 - November 26, 1836) was a Scottish engineer and road-builder. He invented a new process, "macadamisation", for building roads with a smooth hard surface that would be more durable and less muddy than soil-based tracks.. ©TopFoto