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. No. 21.-SAFETY VALVES. With By RICHARD H. BUEL, C. E. With Illustrations. No. 29-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. Length of River span..... 66 .....Jan. 2, 1870. .1595 feet 6 in. 66 "each Land span 930 ft. 1860 66 Total length of of Bridge. 66 1562 6 in. Width of Bridge. Number of Cables.. LIB 5989 THE ARY Diameter of each Cable. 15 inches." Y Each Cable consists of 300 parallel (not Ultimate strength of each Cable....11.200 tons. water, Brooklyn...... water, New York..... Depth of Tower foundation below high .45 feet. 78 feet. Size of Towers at high water line, 140x59 feet. ter .277 feet. Clear height of Bridge in centre of river span above high water, at 50 degs F. 135 feet. Height of floor at towers above H. W. |