1 / 5

London Tower Bridge

London Tower Bridge. First Moveable Bridge Across Thames 1894 Span - 800 feet. Chesapeake Bay Bridge-Tunnel. Total Length - 17.5 miles Two Mile-Long Tunnels Aircraft Carriers, Tankers, Etc. Tunnels. Orwigsburg (1821) - Auburn, Penn 450 feet - First In US

Download Presentation

London Tower Bridge

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. London Tower Bridge • First Moveable Bridge Across Thames • 1894 • Span - 800 feet

  2. Chesapeake Bay Bridge-Tunnel • Total Length - 17.5 miles • Two Mile-Long Tunnels • Aircraft Carriers, Tankers, Etc.

  3. Tunnels • Orwigsburg (1821) - Auburn, Penn • 450 feet - First In US • Mont Cenis (1871) - France To Italy • 8.5 miles - First Railroad Tunnel • Simplon (1922) - Switzerland To Italy • 12.3 miles - “Most Famous In World” • New York Tunnels • Holland (1927), Lincoln (37,45,57) • Channel Tunnel (1993 ?) • 21 miles

  4. Dams • Types • Gravity, Arch, Butress, Embankment • Combined Types • Egypt - 4000 BC • Nile River - City of Memphis • Grand Coulee Dam • Hoover Dam • Aswan High Dam

  5. Grand Coulee Dam (1933-42) • Washington Lead States in Hydroelectric Power • Gravity Dam - Columbia River • 550 feet High, 4172 feet Long • 6.5 Million kW by 1980

More Related