Ok - here we go again - LOL
The Eureka "Hat Box" style machines, according to my Eureka repair book are as follows:
Model 812 A - Crown Princess - rug, small, crev, dust (blur parts)
Model 812AT - Crown Princess - rug, small, crev, dust, tool support (Blue Parts)
Model 822 A - Crown Princess - rug, small, crev, dust, tool support (Blue Parts)
Model 822 AG - Crown Princess - tug, small, crev, dust, tool support (white parts)
Model 822 B - Crown Princess - rug, small, crev, dust, tool support (Blue Parts)
Model 822BG - Crown Princess - rug small, crev, dust, tool support (White Parts)
Model 832 A - Crown Princess - rug, small, crev, dust, tool support, vibra beat (Blue Parts - later white)
Model 832 B - Cordaway - rug, floor, small, crev, dust, tool support (Blue Parts)
Model 832 BV - Cordaway - rug, small, crev, dust, tool support, vibra beat (Blue Parts)
Model 842 AG - Cordaway - rug, floor, small, crev, dust, tool support, vibra beat (White Parts)
Model 842 B - Cordaway - rug, floor, small, crev, dust, tool support, vibra beat (White Parts)
Model 842 BG - Cordaway - rug, floor, small, crev, dust, tool support, vibra beat (Blue Parts)
Model 852 A - Cordaway - rug, floor, small, crev, dust, tool support, vibra beat, (Blue Parts)
Re: power nozzles - no - none came with a powerhead. This was before Eureka introduced power heads
Doug