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A bridge

Bridge

A bridge

A diagram of Alcantara Bridge

Alcantara Bridge

A diagram of Alcantara Bridge

Cross section of Tubular Girder of the Britannia Bridge

Britannia Bridge

Cross section of Tubular Girder of the Britannia Bridge

The Britannia Bridge

Britannia Bridge

The Britannia Bridge

Niagara Falls and Clifton Bridge

Clifton Bridge

Niagara Falls and Clifton Bridge

The Coalbrookdale Bridge

Coalbrookdale Bridge

The Coalbrookdale Bridge

The arch of bridge at Coblenz

Coblenz Bridge

The arch of bridge at Coblenz

Cylinder, charing cross bridge

Cross Bridge

Cylinder, charing cross bridge

A diagram of Crowland Bridge

Crowland Bridge

A diagram of Crowland Bridge

The Forth Bridge

Forth Bridge

The Forth Bridge

The Jubilee Bridge over the Hugli

Jubilee Bridge

The Jubilee Bridge over the Hugli

The Lansdowne Bridge

Lansdowne Bridge

The Lansdowne Bridge

The London Bridge

London Bridge

The London Bridge

The London New Bridge

London New Bridge

The London New Bridge

The Menai Suspension Bridge

Menai Suspension Bridge

The Menai Suspension Bridge

The New East River Bridge is located in New York. It is often called the Brooklyn Bridge. It is the largest suspension bridge in the world.

New East River Bridge, NY

The New East River Bridge is located in New York. It is often called the Brooklyn Bridge. It is the…

The Newark Dyke Bridge

Newark Dyke Bridge

The Newark Dyke Bridge

The Newark Dyke Bridge

Newark Dyke Bridge

The Newark Dyke Bridge

The Niagra Suspension Bridge

Niagra Suspension Bridge

The Niagra Suspension Bridge

A diagram of Old London Bridge

Old London Bridge

A diagram of Old London Bridge

A diagram of Ponte della Trinitia Bridge

Ponte della Trinitia Bridge

A diagram of Ponte della Trinitia Bridge

A diagram of Ponte Salario Bridge

Ponte Salario Bridge

A diagram of Ponte Salario Bridge

The Quebec Bridge

Quebec Bridge

The Quebec Bridge

The Saltash Bridge

Saltash Bridge

The Saltash Bridge

A diagram of Schaffhausen Bridge

Schaffhausen Bridge

A diagram of Schaffhausen Bridge

The St. Louis

St. Louis Bridge

The St. Louis

The Tower Bridge in London

Tower Bridge

The Tower Bridge in London

A diagram of Trajan's bridge

Trajan's Bridge

A diagram of Trajan's bridge

The typical Cantilever Bridge

Typical Cantilever Bridge

The typical Cantilever Bridge

Widnes and Runcorn Transporter Bridge

Widnes Bridge

Widnes and Runcorn Transporter Bridge

The Williamsburg Bridge in New York

Williamsburg Bridge

The Williamsburg Bridge in New York

A cantilever bridge is a bridge built using cantilevers: structures that project horizontally into space, supported on only one end.

Cantilever

A cantilever bridge is a bridge built using cantilevers: structures that project horizontally into space,…

Construction of a cantilever bridge. A cantilever bridge is a bridge built using cantilevers: structures that project horizontally into space, supported on only one end.

Cantilever

Construction of a cantilever bridge. A cantilever bridge is a bridge built using cantilevers: structures…

Construction of a cantilever bridge. A cantilever bridge is a bridge built using cantilevers: structures that project horizontally into space, supported on only one end.

Cantilever

Construction of a cantilever bridge. A cantilever bridge is a bridge built using cantilevers: structures…

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either iron or steel.

Compound Riveted Girder (side by side)

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either…

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either iron or steel.

Compound Riveted Girder (Vertical)

A compound riveted girder is designed to bear a large load in a building or bridge, and is made of either…

The Fink Truss

Fink Truss

The Fink Truss

Flanged girder

Girder

Flanged girder

"View at the Great Bridge, during the American Revolution."—Lossing, 1851

Great Bridge

"View at the Great Bridge, during the American Revolution."—Lossing, 1851

"View at King's Bridge. This view is from the southwest side of the stream, from near the tide-mill. The house beyond, shaded by willows, is the residence of the widow of the late Robert McComb."—Lossing, 1851

King's Bridge

"View at King's Bridge. This view is from the southwest side of the stream, from near the tide-mill.…

A lattice bridge, side elevation.

Lattice

A lattice bridge, side elevation.

A lattice bridge, side elevation.

Lattice

A lattice bridge, side elevation.

This illustration shows a light inverted bow-string girder, as well as a section.

Light Inverted Bow-String Girder (Elevation and Section)

This illustration shows a light inverted bow-string girder, as well as a section.

"The Louisiana Purchase Exposition, St. Louis, 1904. One of the bridges and lagoons, with the Palace of Education." -Gordy, 1916

Louisiana Purchase Exposition

"The Louisiana Purchase Exposition, St. Louis, 1904. One of the bridges and lagoons, with the Palace…

"The Manhattan elevated railway, new York."—E. Benjamin Andrews 1895

Manhattan Railway

"The Manhattan elevated railway, new York."—E. Benjamin Andrews 1895

"Old stone towers of the Niagra Suspension Bridge."—E. Benjamin Andrews 1895

Niagra bridge

"Old stone towers of the Niagra Suspension Bridge."—E. Benjamin Andrews 1895

"The new iron towers of the Niagra Bridge."—E. Benjamin Andrews 1895

Niagra bridge

"The new iron towers of the Niagra Bridge."—E. Benjamin Andrews 1895

A riveted steel plate girder is designed to bear a large load in a building or bridge, and is made of steel.

Riveted Steel Plate Girder

A riveted steel plate girder is designed to bear a large load in a building or bridge, and is made of…

Roller bed of a girder

Roller Bed

Roller bed of a girder

This illustration shows a simple lattice girder.

Simple Lattice Girder (Elevator and Elevation)

This illustration shows a simple lattice girder.

"A, spectacles with bows hinged to the shoulders on the rims connected by the nose or bridge. B, spectacles with hook-bows and with bridge and shoulders riveted to the lenses. C, detail showing construction of shoulder. D, side view, showing rim. In all the figures: a, bows; b, shoulders; c, rims; d, bridge." —Whitney, 1889

A Collection of Spectacles

"A, spectacles with bows hinged to the shoulders on the rims connected by the nose or bridge. B, spectacles…

A series of standard topography symbols, ranging from city to state line, commonly used in drafting.

Topography Symbols

A series of standard topography symbols, ranging from city to state line, commonly used in drafting.

The Douro Viaduct

Douro Viaduct

The Douro Viaduct

The Viaur Viaduct

Viaur Viaduct

The Viaur Viaduct

"Bridge at Worth's Mill's. This substantial stone bridge, over Stony Brook, is upon the site of the wooden one destroyed on the 3d of January, 1777. The old mill on the left is now owned by Josiah S. Worth, a son of the propietor during the Revolution. This sketch was made from the road on the bank of the stream, along which Mercer and his detachment marched to secure the bridge."—Lossing, 1851

Worth's Mills

"Bridge at Worth's Mill's. This substantial stone bridge, over Stony Brook, is upon the site of the…