I've got a handful of 510 standard resistance attys that i collected from various sources. I've identified visual differences between them, and one style seems to suit my preferences better than the others. Is there a guide somewhere or a reference that would allow me to identify the manufacturer? 
Now that i know which one i like (out of my collection) i'd like to reorder some, but since i didn't know initially that the differences were so large, i didn't mark them when i got them, so i'm kind of stuck trying to avoid blindly ordering one atty from each supplier again, since 80% of them i DON'T like, and while ~$6-7 each is not terribly expensive, wasting $30-50 is not really what I want to do.
TIA!
Now that i know which one i like (out of my collection) i'd like to reorder some, but since i didn't know initially that the differences were so large, i didn't mark them when i got them, so i'm kind of stuck trying to avoid blindly ordering one atty from each supplier again, since 80% of them i DON'T like, and while ~$6-7 each is not terribly expensive, wasting $30-50 is not really what I want to do.TIA!
