Card: Panama Canal, 1914 #0035628
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Wilson Dam, C1922 #1
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Panama Canal, C1910 #3
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Eddystone Lighthouse, 1882
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Washington Monument, 1876
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Sault Sainte Marie Canal, c1898
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Soho Engineering Works
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Establishing Of Baltimore
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Graf Zeppelin, 1928
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Steelworker, 1931 #1
Lewis Hine
Canals: Languedoc Canal
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London: Fleet Street Sewer
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Thames Tunnel: Train, 1869
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Mont Cenis Tunnel, 1871
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Washington Monument, 1884
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Refrigeration Plant, 1888
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Washington Monument, 1884 #1
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Canals: Languedoc Canal #1
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Panama Canal, 1888 #4
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England: Railroad
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Paris: Sewers, 1869 #1
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Saint Gotthard Tunnel #2
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Panama Canal: Sketch-plan
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The Tower Of Babel
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Tower Of Babel #6
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Panama Canal, C1910 #8
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Panama Canal, C1910 #9
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Panama Canal, C1910 #10
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Panama Canal, C1910 #12
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Panama Canal, C1910 #13
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Panama Canal, C1910 #15
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Panama Canal, C1910 #21
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Panama Canal, C1910 #22
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Panama Canal, C1910 #25
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Panama Sea Wall, C1910
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Panama Canal, 1890
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Hungerford Bridge, c1845
William Henry Fox Talbot
Boring Tunnel, 1869
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Mississippi River Snag Boat
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The Statue Of Liberty #1
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Brooklyn Bridge, 1882
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Ny: Brooklyn Bridge, 1877
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Steamship Construction
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New U.s.capitol Dome, 1859
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Panama: Culebra Cut, 1910 #1
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Zeppelin Construction #1
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St Louis Bridge #2
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Brooklyn Bridge Construction, 1878
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Three-wheel Automobile
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Soho Engineering Works #1
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Soho Engineering Works #2
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Chinese Astronomical Clocktower Built #1
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The Civil War: Soldiers
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Statue Of Liberty, 1883
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Statue Of Liberty, 1886 #1
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Statue Of Liberty #2
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Statue Of Liberty #5
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Brooklyn Bridge: Diagram
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St. Louis: Waterfront
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Golden Gate Bridge
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Steelworker, 1931
Lewis Hine
Suez Canal Construction
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Assyria: Transportation
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Panama: The Culebra, 1855
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Nyc: Brooklyn Bridge, 1877
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Electricity, Nyc 1882
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Brazil: Sierra Viaduct, 1868
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London: Thames Tunnel
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