Did any one else catch American Restoration Tuesday night. They rebuilt a 1934 Rexair vacuum for a collector/employee of Rainbow. It is one of only 8 machines in existance out of 100,000 made. Most were sold to the military to use in hospital rooms to clean the air for patients. The machine came to them in pieces and and rusted up. the guys did a great job on the rebuild and the machine operates perfectly. Any manuals or schematics were tossed when that machine went out of production.