alexus graves blue 3 foundation of technology
Download
Skip this Video
Download Presentation
Alexus Graves, Blue 3, Foundation Of Technology

Loading in 2 Seconds...

play fullscreen
1 / 5

Alexus Graves, Blue 3, Foundation Of Technology - PowerPoint PPT Presentation


  • 116 Views
  • Uploaded on

Escalators. Alexus Graves, Blue 3, Foundation Of Technology. Escalator history. Jesse Reno created around 1859. More like today, perfected by Charles Seeberger around 1897. http://www.ideafinder.com/history/inventions/escalator.htm. Modern day. Timeline. 1891 Jesse Reno invents escalator.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' Alexus Graves, Blue 3, Foundation Of Technology' - makala


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.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
alexus graves blue 3 foundation of technology

Escalators

Alexus Graves, Blue 3, Foundation Of Technology

escalator history
Escalator history.
  • Jesse Reno created around 1859.
  • More like today, perfected by Charles Seeberger around 1897.

http://www.ideafinder.com/history/inventions/escalator.htm

Modern day

timeline
Timeline.
  • 1891 Jesse Reno invents escalator.
  • 1896 Reno installed his version of an escalator.
  • 1902 Jesse Reno founded the Reno Electric Stairways and Conveyors company.
  • 1911 Otis Elevator Company buys Reno patent http://www.ideafinder.com/history/inventions/escalator.htm
major changes
Major Changes.
  • Made of ropes
  • Made to go up or down, switched on and off.
  • Last improved made like todays.
effects
Effects.
  • Underground escalator.
  • Pollution made like muggy air and grey skies.

http://www.ask.com/web?

Underground

ad