Also, there are adults who don't share the significance of which typewriters are milestones and which are just ordinary (by collector standards).  I couldn't very well appreciate some of the machines out there had I not got on this Forum because I had never seen them come down this way.  I only knew the ones I saw, but I knew (and still know) them pretty well--something has to happen in the better part of almost forty years of messin' wit' da critters.