De la rueda al rotor [videorecording].
[Barcelona] : Planeta, 2003.
1 videodisc (60 min.) : sd., col. with b&w sequences ; 4 3/4 in.
The History channel explores how our lives have been affected by the invention of the wheel. Discusses how it is continually evolving and adapting for new uses in modern technology.
From Leonardo's drawings to the Sikorsky Skycrane, the history of helicopter. Get an up-close look at some of the most important helicopters and see footage of choppers in action everywhere from the jungles of Vietnam to the White House lawn.