THE OLD MOVIE MAVEN . . . The Website
Maven was doing research on Ray Harryhausen (HORROR - SCI FI: Ray Harryhausen) and came across a website for movie bloopers. The entry for the 1953 version of War of the Worlds
has a picture of the Martians' vehicles where you can see the wires holding them up at http://www.moviemistakes.com/picture25142.
More can be found at http://www.moviemistakes.com/film1511.