Oxford, at the Clarendon Press, 2 vols., 1st ed., 1882. Vol. I : Xii + 352 pp., 20 woodcuts. Vol. II : Viii + 21 plates (fldg.) + 36 (advt.) pp. Both volumes bound in original brown cloth ; re-backed with original spines laid down. 23 x 15cm. Edges of some folding plates a little frayed & dusty, o/w V.G. Leveson Vernon-Harcourt (1839-1907) was a member of the Institution of Civil Engineers and lectured at Balliol College, Oxford, and at the School of Military Engineering at Chatham. In these two volumes, he examines British and foreign rivers such as the Liffey, Mersey, Dee, Maas, Scheldt, Seine, Clyde, Tyne, Danube, Mississippi, etc. Also, both inland waterways and ship canals – the latter including Caledonian, Panama, Suez, and North American ship canals. Whole chapters are devoted to dredging machines and appliances, cofferdams, foundations, weirs, ship canals, tidal rivers, etc. The books are illustrated with 21 folding engraved plates that occupy the second volume ; while the text in the first volume is illustrated with 20 woodcuts. The famous Anderton Boat Lift (recently restored) between the River Weaver and the Trent & Mersey Canal is described in detail. An important work on the engineering features and history of canals and river navigation.