This is so cool!

[hoover300]

Dus-Less by Vital Mfg. They also made an all metal, r2d2-like friction vac.
Anyone have one of these? Looks like a belt driven fan bolted to a carpet sweeper. I found this on Oldewash.com, but could not get a link to work.

 

[bvac6]

That is awesome and I want one!