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Illustrations

• The Metropolitan District Railway - Page 45

• Works at Blackfriars - Page 59

• The Smithfield Meat Market - Page 66

• The Crevecoeur and Mordyck Bridges - Page 142

• The Crevecoeur and Mordyck Bridges - Page 143

• Plate I. The Severn Valley Railway Bridges - Page 1

• Plate II. The Severn Valley Railway Bridges - Page 2

• Plate III. The Severn Valley Railway Bridges - Page 3

• Plate IV. The Penrith Bridge, Great Western Railway, Australia - Page 4

• Plate V. Bridge over the River Thames, at Cookham - Page 5

• Plate VI. Bridge Carrying the Mains of the Chartered Gas Company over the River Lea (Span 175 Feet) - Page 6

• Plate VII. Details of Bridge Carrying the Mains of the Chartered Gas Company over the River Lea - Page 7

• Plate VIII. River Pier and Viaducts at the Beckton Works of the Chartered Gas Company - Page 8

• Plate IX. River Pier, at the Beckton Works of the Chartered Gas Company - Page 9

• Plate X. Viaduct at the Beckton Works of the Chartered Gas Company - Page 10

• Plate XI. Details of Viaducts at the Beckton Works of the Chartered Gas Company - Page 11

• Plate XII. Hydraulic Swing Railway Bridge over the River Ouse, Near Goole - Page 12

• Plate XIII. Road Bridge over the River Pruth, at Czernowitz - Page 13

• Plate XIV. Bridge over the River Pruth, at Czernowitz - Page 14

• Plate XV. The Albert Bridge, over the River Clyde, at Glasgow - Page 15

• Plate XVI. The Albert Bridge over the River Clyde, at Glasgow - Page 16

• Plate XVII. Bridge over the River Msta; Nicolai Railway - Page 17

• Plate XVIII. Timber Bridge over the River Msta; Nicolai Railway - Page 18

• Plate XIX. Nicolai Railway Bridges; Messrs. Handyside's Constructing Yard at St. Petersburg - Page 19

• Plate XX. Bridge over the Regent's Canal, Regent's Park - Page 20

• Plate XXI. Suspension Bridge at Singapore - Page 21

• Plate XXII. Foot Bridges at the Grand Surrey Docks - Page 22

• Plate XXIII. Concrete Structures: The Grand-Maitre Aqueduct in the Forest of Fontainebleau - Page 23

• Plate XXIV. Concrete Structures: Aqueduct over the River Loing, Near Moret - Page 24

• Plate XXV. The Widening of the Metropolitan Railway - Page 25

• Plate XXVI. The Widening of the Metropolitan Railway - Page 26

• Plate XXVII. The Widening of the Metropolitan Railway - Page 27

• Plate XXVIII. The Widening of the Metropolitan Railway - Page 28

• Plate XXIX. Fleet Sewer Crossing: Metropolitan Railway - Page 29

• Plate XXX. Design for a Bridge over the Metropolitan Railway at Charles Street, Farringdon Road - Page 30

• Plate XXXI. Sewer Crossing at Victoria Street; Metropolitan District Railway - Page 31

• Plate XXXII. The Metropolitan District Railway; Sewer Crossing at Sloane Square - Page 32

• Plate XXXIII. The Metropolitan District Railway; Roof of the Kensington Station - Page 33

• Plate XXXIV. The Metropolitan District Railway; Roof of the Kensington Station - Page 34

• Plate XXXV. The Metropolitan Extension Railway; Works under Pembridge Square - Page 35

• Plate XXXVI. The Metropolitan District Railway; the Mansion House Station - Page 36

• Plate XXXVII. The Metropolitan District Railway; the Temple Station on the Thames Embankment - Page 37

• Plate XXXVIII. The Smithfield Meat Market - Page 38

• Plate XXXIX. Diagram of Strains on Continuous Girders at the Smithfield Meat Market - Page 39

• Plate XL. The Metropolitan and St. John's Wood Railway; Bridge over the Regent's Canal - Page 40

• Plate XLII. Bridge over the River Trent at Nottingham - Page 41

• Plate XLI. Bridge over the River Trent, at Nottingham - Page 42

• Plate XLIII. Foot Bridge over the RIver Moldau, at Prague - Page 43

• Plate XLIV. Widening of the Victoria Bridge, Pimlico - Page 44

• Plate XLV. The Holborn Valley Improvements: Bridge over Farringdon Street - Page 45

• Plate XLVI. The Mount Union Bridge over the Juniata River: Pennsylvania Railroad, U. S. A. - Page 46

• Plate XLVII. The New Bridge at Copenhagen - Page 47

• Plate XLVIII. The New Bridge at Copenhagen: Details of Foundations - Page 48

• Plate XLIX. The New Bridge at Copenhagen - Page 49

• Plate L. Swing Bridge over the Penfeld, at Brest - Page 50

• Plate LI. Swing Bridge over the Penfelt, at Brest - Page 51

• Plate LII. Bridge over the River Seine at the Point du Jour, Paris - Page 52

• Plate LIII. Bridge over the RIver Seine at Orival; Western Railway of France - Page 53

• Plate LIV. The Bridge of El-Kantara, at Constantine, Algeria - Page 54

• Plate LV. The Morlaix Viaduct; Rennes and Brest Railway - Page 55

• Plate LVI. Bridge of St. Louis, over the River Seine, Paris - Page 56

• Plate LVII. Temporary Works for the Restoration of the MontLouis Bridge over the Loire, Orleans Railway of France - Page 57

• Plate LVIII. Bridge over the RIver Loire, near Chalonnes: Angers and Niort Railway - Page 58

• Plate LIX. The Clifton Suspension Bridge, Niagara Falls - Page 59

• Plate LX. Details of the Clifton SUspension Bridge, Niagara Falls - Page 60

• Plate LXI. Bridge over the Little Juniata River: Pennsylvania Central Railroad - Page 61

• Plate LXII. The Linville Trussed Bridge - Page 62

• Plate LXIII. The Hull South Bridge - Page 63

• Plate LXIV. The Hull South Bridge - Page 64

• Plate LXV. Timber Bridge over the Aranyos River; East Hungarian Railway - Page 65

• Plate LXVI. Bridge over the River Missouri, at Kansas City, U.S.: Kansas and Cameron Railroad - Page 66

• Plate LXVII. Bridge over the River Missouri, at Kansas City, U. S.: Kansas and Cameron Railroad - Page 67

• Plate LXVIII. Bridge over the River Missouri, at Kansas City, U. S.: Kansas and Cameron Railroad - Page 68

• Plate LXIX. Bridge over the Rivere Nene, at Peterborough - Page 69

• Plate LXX. Details of Bridge over the River Nene; at Peterborough - Page 70

• Plate LXXI. Myton Bridge over the River Swale, Yorkshire - Page 71

• Plate LXXII. Wrought Iron Pier at Clevedon, Somerset - Page 72

• Plate LXXIII. Wrought-Iron Pier at Clevedon, Somerset - Page 73

• Plate LXXIV. Swing Bridge over the River Parnitz, near Stettin: Berlin and Stettin Railway - Page 74

• Plate LXXV. Bridge over the Danube; Austrian States Railway - Page 75

• Plate LXXVI. Bridges at Crevecoeur and Moerdyck; Utrecht and Boxtel Railway - Page 76

• Plate LXXVII. Swing Bridge over the River Ouse; North Eastern Railway - Page 77

• Plate LXXVIII. Swing Bridge over the River Ouse: North Eastern Railway - Page 78

• Plate LXXIX. Swing Bridge over the River Ouse: North Eastern Railway - Page 79

• Plate LXXX. Railway and Road Bridge over the Ganges, at Cawnpore - Page 80

• Plate LXXXI. Railway Bridge over Thirtieth Street, Philadelphia, U.S.A. - Page 81

• Plate LXXXII. Bridge over the Hudson River at Albany, New York, U.S.A. - Page 82

• Plate LXXXIII. Bridge over the Hudson River at Albany, New York, U.S.A. - Page 83

• Plate LXXXIV. Pontoon Railway Bridge over the Rhine, Near Carlsruhe - Page 84

• Plate LXXXV. Bridge over the River Schuylkill at Philadelphia, U.S.A. - Page 85

• Plate LXXXVI. Pier at the Royal Arsenal, Woolwich - Page 86

• Plate LXXXVII. Viaduct over the River Kistna: Great Indian Peninsula Railway - Page 87

• Plate LXXXVIII. Suspension Bridge over the River Ohio, at Cincinnati, U.S.A. - Page 88

• Plate LXXXIX. Bridge over the River Ohio, at Cincinnati, U.S.A. - Page 89

• Plate XC. Foundations of Bridge over the River Tet, at Perpignan - Page 90

• Place XCI. Apparatus for Singing Screw Piles - Page 91

• Plate XCII. Apparatus for Sinking Screw Piles - Page 92

• Plate XCIII. Method of Sinking the Pile Foundations of the Southport Pier - Page 93

• Plate XCIV. Milroy's Excavator - Page 94

• Practical treatise on the construction of iron highway bridges, for the use of town committees. - Page 1

• Fairmount Bridge at Philadelphia. By the Keystone Bridge Company - Page 83

• Girard-Avenue Bridge, Philadelphia. By Phoenixville Bridge Works - Page 84

• Iron Highway Bridge, by Cincinnati Iron Bridge Company - Page 90

• Highway and Railroad Bridge, 250 Feet Spans, St. Joseph, Mo. By the Detroit Bridge and Iron Company - Page 96

• American iron bridges : abstract of the discussion upon a paper

• The Isometrical Truss - Page 13

• The Isometrical Truss - Page 20

• The Isometrical Truss - Page 21

• View of T. Pope's Flying Lever Bridge - Page 2

• Conclusion - Page 280

• Caesar's Timber Bridge across the Rhine - Page 40

• Plan Section and Elevation of the Bridge of Chains at Chuka - Page 45

• The Bridge at Wandipore - Page 49

• Geometrical Elevation of the Timber Bridge - Page 60

• The Bridge of the Louvre over the Seine - Page 75

• Hampton Court Bridge - Page 92

• Wearmouth Bridge - Page 112

• Frame of the Bridge over the River Schuylkill at Philadelphia - Page 139

• Geometrical Elevation of T.Pope's Bridge in building - Page 197

• View of T. Pope's Flying Lever Bridge - Page 203

• Geometrical plan of T. Pope's Bridge in building - Page 213

• Sections of abutments of bridges on T.Pope's patent plan - Page 216

• Geometrical Elevation of Bridge in building - Page 220

• Bridge constructed of frames or voussoirs of timber by M.Montucla - Page 226

• Sections of twelve semi-arms of Bridge contained between two isosceles triangles - Page 240

• Wrought Iron Bridge Co., Canton, O. - Page 4

• Wrought Iron Bridge Co., Canton, O. - Page 5

• Wrought Iron Bridge Co., Canton, O. - Page 6

• Wrought Iron Bridge Co., Canton, O. - Page 7

• Wrought Iron Bridge Co., Canton, O. - Page 9

• Wrought Iron Bridge Co., Canton, O. - Page 10

• Wrought Iron Bridge Co., Canton, O. - Page 11

• Wrought Iron Bridge Co., Canton, O. - Page 12

• Wrought Iron Bridge Co., Canton, O. - Page 13

• Wrought Iron Bridge Co., Canton, O. - Page 14

• Wrought Iron Bridge Co., Canton, O. - Page 15

• Wrought Iron Bridge Co., Canton, O. - Page 16

• Plate - Page 26

• Tower and Anchorages - Page 24

• Tower and Anchorages - Page 27

• The Footbridge - Page 44

• The Guidewire - Page 61

• The Guidewire - Page 73

• The Guidewire - Page 81

• The Cable Wire - Page 92

• Strandmaking - Page 94

• Strandmaking - Page 97

• Strandmaking - Page 101

• Strandmaking - Page 102

• Wrapping the Cables - Page 113

• Wrapping the Cables - Page 114

• East River Bridge - Page 5

• Illustrations - Page 14

• Illustrations - Page 38

• Illustrations - Page 98

• Illustrations - Page 104

• Portrait of John A. Roebling - Page 2

• Parabolic Truss Railway Bridge - Page 1

• Parabolic Truss Railway Bridge - Page 2

• Plan of a Bridge Over the Mississippi River, at St. Louis - Page 3

• Details of the St. Louis River Bridge - Page 4

• Details of the St. Louis River Bridge - Page 5

• St. Louis Bridge - Page 6

• Parabolic Truss - Page 7

• Parabolic Truss - Page 8

• Parabolic Truss - Page 9

• Parabolic Truss - Page 10

• Parabolic Truss - Page 11

• Parabolic Truss - Page 12

• Rail Road Bridge Over the Ohio - Page 13

• Figure 1 and Figure 2 - Page 4

• Figure 3 and Figure 4 - Page 12

• Figure 14 and Figure 15 - Page 32

• Appendix No. 1. Phoenixville Bridge-Works. Reprinted from Lippincott's Magazine for January, 1873. - Page 15

• Appendix No. 1. Phoenixville Bridge-Works. Reprinted from Lippincott's Magazine for January, 1873. - Page 16

• Appendix No. 1. Phoenixville Bridge-Works. Reprinted from Lippincott's Magazine for January, 1873. - Page 17

• Girard Avenue Bridge

• The Proposed Hudson River Bridge, Connecting New England and the East with the Coal Fields of Pennsylvania... - Page 2

• The distance from Poughkeepsie... to various cities - Page 8

• The direct through Railroad Routes connecting the coal fields - Page 9

• The New York and Brooklyn Bridge - Page 1

• The New York and Brooklyn Bridge - Page 3

• A general view of the Bridge, taken from Columbia Heights, Brooklyn. New York in the distance. - Page 5

• No. 2. View from top of Brooklyn Tower - Page 7

• No. 3. Station building at the Brooklyn entrance to the Bridge, corner of Sands and Washington streets - Page 9

• No. 4. View on the Brooklyn approach looking towards the Brooklyn entrance to the Bridge. - Page 11

• No. 5. View from the commencement of land span on Brooklyn side, looking towards the towers. - Page 13

• No. 6. This view is taken to show the platform around the center pier of the Towers - Page 15

• No. 7. View from platform around central pier of Brooklyn Tower, looking towards New York. - Page 17

• No. 8. View from the platform around the center pier of the New York Tower, looking down the center of the bridge. - Page 19

• No. 9. This view was taken from exactly in the center of the Bridge, looking towards Brooklyn. - Page 21

• No. 10. View taken on the New York approach. - Page 23

• No. 11. View of one of the railway tracks. - Page 25

• No. 12. View of one of the carriage-ways. - Page 27

• No. 13. View showing the New York approach, passing over Rose, Vandewater and Chatham streets... - Page 29

• No. 14. View looking down on Pearl Street, New York showing the New York approach passing over Third Avenue Elevated Railroad at Franklin Square Station. - Page 31

• No. 15. View on the New York approach looking towards the entrance to the Bridge. - Page 33

• Frederick Loeser and Co.'s Washington Street entrance - Page 36

• Plate no. 1 - Page 8

• Plate no. 2 - Page 9

• Plate no. 3 - Page 10

• Plate no. 4 - Page 11

• Plate no. 5 - Page 12

• Plate no. 6 - Page 13

• Plate no. 7 - Page 15

• Plate no. 8 - Page 16

• Plate no. 9 - Page 21

• Plate no. 10 - Page 22

• Pneumatic Tower Foundations of the East River Suspension Bridge, W.A. Roebling,1873

• Brooklyn Caisson. East River Bridge - Page 2

• Plan of the Brooklyn Caisson - Page 3

• Brooklyn Caisson. Longitudinal Section. - Page 4

• Brooklyn Caisson. Transverse Section. - Page 5

• Arrangement of Excavating Machinery. Brooklyn Caisson. - Page 6

• N. Y. Caisson. Horizontal Section at Top of Air Chamber - Page 7

• N. Y. Caisson. Longitudinal Section. 10 Feet From Edge - Page 8

• N. Y. Caisson. Transverse Section through air locks. - Page 9

• Brooklyn Tower. October 1872. - Page 10

• New York Tower. September 1872. - Page 11

• Sinking of the New York Caisson. February 1872. - Page 12

• Untitled Photograph -- Setting up the traveling construction crane; boilers visible at right - Page 1

• Untitled Photograph -- Traveling construction crane mounted above first construction bay, ready to start. The tracks on which it rolls forward are hidden by the slope to the right, but the ties to the rails are already in position on the first bay - Page 3Untitled Photograph -- Erecting the first pier - Page 3

• Untitled Photograph -- Erecting the first pier - Page 3

• Untitled Photograph -- Erecting the second pier - Page 4

• Untitled Photograph -- Advancing down the slope; pier under construction - Page 5

• Untitled Photograph -- Laying the connecting girder between two piers. The track will be built over this girder. - Page 6

• Untitled Photograph -- Another view of the construction of pier from the abutment - Page 7

• Untitled Photograph -- Pier 4? - Page 8

• Untitled Photograph -- Nearing the middle of the bridge. Note the masonry foundation for the iron work. These piers were close to the middle of the bridge and may have been endangered by flooding. That may be why these piers are placed on masonry foundati3Untitled Photograph - Page 10

• Untitled Photograph - Page 10

• Untitled Photograph - Page 11

• Untitled Photograph -- Building the first part of the midspan truss - Page 12

• Untitled Photograph - Page 13

• Untitled Photograph -- Connecting the midspan truss to the finished portion of the bridge - Page 14

• Untitled Photograph - Page 15

• Untitled Photograph - Page 16

• Untitled Photograph - Page 17

• Untitled Photograph - Page 18

• Untitled Photograph - Page 19

• Untitled Photograph - Page 20

• Untitled Photograph -- Raising the first steel for the middle of the truss - Page 21

• Untitled Photograph - Page 22

• Untitled Photograph - Page 23

• Untitled Photograph -- The bridge is now complete. The traveling crane has been withdrawn and will now begin its advance from the other end. - Page 24

• Untitled Photograph - Page 25

• Untitled Photograph -- Begins the second half of the bridge: in this photo the tracks on which the crane travels are visible. - Page 26

• Untitled Photograph -- Advancing on the second half - Page 27

• Untitled Photograph -- Nearing the middle part of the bridge from the other side - Page 28

• Untitled Photograph - Page 29

• Untitled Photograph - Page 30

• Untitled Photograph -- The bearing for the other half of the mid-span truss - Page 31

• Untitled Photograph -- Building the mid-span truss - Page 32

• Untitled Photograph -- Preparing to close the gap with the last segment of the mid-span truss - Page 33

• Untitled Photograph -- The final rivets being placed - Page 34

• Untitled Photograph -- The structure is complete - Page 35

• Untitled Photograph - Page 36

• Untitled Photograph -- This could be the load testing of the finished structure with a running train. - Page 1

• Plate I. Double Intersection Wrought Iron Highway Bridge - Page 1

• Plate II. General Descriptive Plate of Details - Page 2

• Plate III. Details for a Pony Truss Iron Highway Bridge - Page 3

• Plate IV. Details for a Single Intersection Bridge with Side Walks - Page 4

• Plate V. Diagram of Stresses and Sections for a 160' Span Iron Highway Bridge, Class A - Page 5

• Plate VI. Bortion of a Working Drawing for a 160 foot Span Iron Highway Bridge - Page 6

• Plate VII. Working Drawing for False Work - Page 7

• Report on a Rail-way Suspension Bridge across the Connecticut, at Middletown, with a proposal for its Construction, to a Committee of the Citizens of Hartford, by Charles Ellet, Jr. Civil Engineer.

• Plan of Flooring and Parapet - Page 41

• Whipple Arch-Truss Bridge. Whipple Trapezoidal Bridge

• Figure 27 - Page 172

• Figure 66 - Page 309

• Figures 1-11 - Page 1

• Plate 1. Bridge on Pennsylvania R. R. over the Susquehanna - Page 269

• Plate 2. Reading R. R. Arched Truss Bridge. Plate 3. Cove Run Viaduct - Page 270

• Plate 4. Baltimore &amp;amp;amp; Susquehanna R. R. Tubular Plate Iron Bridge. Plate 5. Iron Bridge over Harford Run - Page 271

• Plate 6. Pennsylvania R. R. Little Juniata Bridge - Page 272

• Plate 7. Bridge on Pennsylvania R. R. over Sherman's Creek - Page 273

• Plate 8. Rider's Patent Iron Bridge - Page 274

• Plate 9. Trenton Bridge - Page 275

• Plate 10. Pennsylvania R. R. Canal Bridge - Page 276

• Plate 11. Pennsylvania R. R. Bridge at Racoon Creek - Page 277

• Plate 12. Baltimore &amp;amp;amp; Ohio R. R. Improved Arch Brace Truss Frame - Page 278

• Plate 13. Susquehanna Bridge at Clark's Ferry - Page 279

• Plate 14. Improved Lattice Truss - Page 280

• Plate 15. Trussed Girder Bridge - Page 281

• Plate 16. New York and Erie R. R. General Plan for Bridges - Page 282

• Philadelphia and Reading Railroad Bridge, over French Creek, at Phoenixville, Pa. - Page 1

• Works of the Phoenix Iron Company, Phoenixville Pa. - Page 2

• Works of the Phoenix Iron Company, Phoenixville Pa. - Page 3

• General Specifications for Railway Bridges - Page 13

• Eye Beam Span for Portland and Rochester Railroad - Page 24

• Plate Girder Span from Meherrin Bridge, Seaboard and Roanoke Railroad - Page 25

• Lattice Girder Span, Kinzua Viaduct, New York, Lake Erie and Western Railway - Page 26

• Single Track Through Span, Single Intersection, Reed Island Bridge, Norfolk and Western Railroad, 2-120 Feet Spans - Page 27

• Double Track Through Span. 284 Feet Span of Rondout Bridge, New York, West Shore and Buffalo Railway - Page 28

• Single Track Deck Span. Dunlap's Creek Bridge, Chesapeake and Ohio Railway - Page 29

• 300 Feet Span Built for Galveston, Harrisburg and San Antonio Railroad - Page 30

• Long Span Drawbridge. West Side and Yonkers Railway - Page 31

• Kinzua Viaduct. New York, Lake Erie and Western Railway - Page 32

• Highway Bridge, Pottstown, Pa. - Page 33

• Four-Track Railway Bridge Over Middle Brook, Central Railroad of New Jersey Division Philadelphia and Reading Railroad - Page 35

• Susquehanna River Bridge, Sunbury, Pa. - Page 36

• Chaudiere Bridge, Across Ottawa River, Ottawa, Ontario - Page 37

• Catskill Bridge, New York, West Shore, and Buffalo Railroad Company - Page 38

• Harlem River Bridge, West Side and Yonkers Railway - Page 39

• Albany and Greenbush Bush - Page 40

• Kinzua Viaduact, New York, Lake Erie and Western Coal and Railroad Company - Page 41

• Kinzua Viaduact, New York, Lake Erie and Western Coal and Railroad Company - Page 42

• Rondout Bridge, New York, West Shore and Buffalo Railroad Company - Page 43

• Metropolitan Elevated Railway, New York - Page 44

• Metropolitan Elevated Railway, New York - Page 45

• Girard Avenue Bridge, Philadelphia, Pa. - Page 46

• Highway Bridge, across Delaware River, Trenton, N. J. - Page 47

• Ocean Pier at Cape May, N. J. - Page 48

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