CHAPTER XXVII

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CIVIL ENGINEERING.

Great Bridges, Pneumatic Caissons, Tunnels. The Beach Tunnel Shield. Suez Canal. Dredges. The Lidgerwood Cable Ways. Canal Locks. Artesian Wells. Compressed-Air Rock Drills. Blasting. Mississippi Jetties. Iron and Steel Buildings. Eiffel Tower. Washington’s Monument. The United States Capitol.

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