(...) More or less. Except that --eek!-- the page has disappeared! :o It's back now: (URL). I restored the page from an old file, it needs some ... work. But it's better than nothing, for now. Steve (22 years ago, 11-Jun-02, to lugnet.cad.dev)
Actually there is a reference here: (URL) Under the "What are Subparts" heading -Orion (make it billthefish and remove the obvious lettering to reply personally) (22 years ago, 13-Jun-02, to lugnet.cad.dev)