Here is the Breakdown!
The first one is a 505 with an aftermarket bag / cord
second is a 508 with an original bag and cord
third is a 1C with original bag and cord
the GE is a AV-1 with what appears to be an original bag!
Not a bad Saturday Pickup!
Thoughts??
Larry
PS I don't know boo about the GE any idea of the year(s)