Difference between revisions of "Elevators"

Jump to navigation Jump to search
75 bytes added ,  05:17, 25 August 2012
no edit summary
Line 68: Line 68:
Electric elevators came into to use toward the end of the 19th century. The first one was built by the German inventor Werner von Siemens in 1880.
Electric elevators came into to use toward the end of the 19th century. The first one was built by the German inventor Werner von Siemens in 1880.
Black inventor, Alexander Miles patented an electric elevator (U.S. pat#371,207) on October 11, 1887.
Black inventor, Alexander Miles patented an electric elevator (U.S. pat#371,207) on October 11, 1887.
==Videos==
<youtube>17qjUcR7-fI</youtube>
<youtube>Oyzma6bOsg</youtube>

Navigation menu