david weaver
Gather yourself, pam, the only reason for the discussion about any of them is whether or not the kato study information can be applied to all of them equivalently.

And the answer to that is still yes, it appears that all of them were designed to do what the machinery in the kato study does.

How this otherwise became an argument about who makes what and whether or not stanley blades are equivalently flat, I have no idea, it's purely to find out if every term represents a plane part that was installed in the design to break a shaving.