No. 17.-WATER AND WATER SUPPLY. By PROF. W. H. CORFIELD, M. A., of the University College, London. No. 18.-SEWERAGE AND SEWAGE UTILIZATION. BY PROF. W. H. CORFIELD, M. A., of the University College, London. No. 19.-STRENGTH OF BEAMS UNDER TRANSVERSE LOADS. BY PROF. W. ALLEN, Author of Theory of Arches. With Illustrations. "" No. 20.-BRIDGE AND TUNNEL CENTRES. By JOHN B. MCMASTERS, C. E. Illustrations. With No. 21.-SAFETY VALVES. By RICHARD H. BUEL, C. E. With Illustrations. No. 22-HIGH MASONRY DAMS. By JOHN B. MCMASTERS, C. E. With Illustrations. No. 23.-THE FATIGUE OF METALS UNDER REPEATED STRAINS, with various Tables of Results of Experiments. From the German of PROF. LUDWIG SPANGENBERG. With a Preface by S. H. SHREVE, A. M. With Illustrations. No. 24.-A PRACTICAL TREATISE ON THE TEETH OF WHEELS, with the Theory of the Use of Robinson's Odontograph. By S. W. ROBINSON, Prof. of Mechanical Engineering. Illinois Industrial University. No. 25.-THEORY AND CALCULATIONS OF CONTINUOUS BRIDGES. BY MANSFIELD MERRIMAN, C. E. With Illustrations. No. 26.-PRACTICAL TREATISE ON THE PROPERTIES OF CONTINUOUS BRIDGES. BY CHARLES BENDER, C. E. No. 27.-ON BOILER INCRUSTATION AND CORROSION. By F. J. ROWAN. No. 28.-ON TRANSMISSION OF POWER BY WIRE ROPE. BY ALBERT W. STAHL. Fully illustrated. No. 29.-INJECTORS; THEIR THEORY AND USE. Translated from the French of M. LEON POUCHET. Illustrated. No. 30.-TERRESTRIAL MAGNETISM AND THE MAGNETISM OF IRON SHIPS. BY PROF. FAIRMAN ROGERS. Illustrated. No. 31.-THE SANITARY CONDITION OF DWELLING HOUSES IN TOWN AND COUNTRY. By GEORGE E. WARING, Jr., Consulting Engineer for Sanitary and Agricultural Works. No. 82.-CABLE MAKING FOR SUSPENSION BRIDGES, as exemplified in the Construction of the East River Bridge. By WILHELM HILDENBRAND, C. E. Fully illustrated. 18mo, boards, 50 cents each. Sent free by mail on receipt of price. D. VAN NOSTRAND, Publisher, 23 Murray and 37 Warron Sts., New York. Construction commenced.........Jan. 2, 1870. .1595 feet 6 in. 66 66 Length of River span.. "" Total length of of Bridge. Number of Cables.... twisted) steel wires No. 7 gauge, close- .45 feet. 66 66 66 .... .1562 6 in. 5989 LIB OF A 4H ..15 inches. V water, Brooklyn...... Size of Towers at high water line, ter .78 feet. 140x59 feet. wa .277 feet. Clear height of Bridge in centre of river 119 feet 3 inches- Grade of Roadway... Size of Anchorage at base. 66 66 66 top... Weight of each Anchor-plate..... Total cost of Bridge, exclusive land ac quisition... .$9,000,000. |