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Beskrivelse
In the 1840s, the civil engineer Peter Bruff (1812-1900) designed what was then the largest brick structure in Britain, the 1,000-foot-long Chappel Viaduct in Essex. He went on to become a railway entrepreneur and developer, and was responsible for the creation of the resort town Clacton-on-Sea, where he also designed many of the buildings. In this illustrated guide, first published in 1838 and here reissued in the revised and expanded two-volume second edition of 1840-2, he discusses the theory and practice of surveying (calculating the accurate position of points in the landscape) and levelling (calculating the accurate height of points). Volume 1 covers surveying by measuring chain and by the taking of angular measurements, and gives example surveys for land boundaries, parishes and railway lines. Volume 2 is devoted to levelling, examining the instruments and methods to be used to calculate 'sections', or elevation profiles.
