Here's a thread with the C-4 manual (not label specific to either the Compact or Revelation):
http://www.vacuumland.org/cgi-bin/TD/TD-VIEWTHREAD.cgi?3896
... and a page showing the Polish-Aire floor polisher made by Interstate:
[ATTACH=full]79521[/ATTACH]
[ATTACH=full]79522[/ATTACH]