".: Paris, Arthus Bertrand, 1844, in-4°, 187 pp ; idem , 1844 ; 119 pp, bound in comtemporary half roan, smooth gilt spine, nice copy. Incomplete, both publications lack the lithographic plates (Ouvrage incomplet, les planches lithographiques manquent). Reech (1805 - 1884) was director of the ''Ecole du Génie at Lorient''. The two works here are first editions. See Poggendorf III , 1098. Rouse & Ince, History of Hydraulics, pp 154-157."