Interesting Find - test-drb@ccmp.vtda.org

30 Jan 1998

(Sharp PC-7100)

...
  Notice how the handle can slide towards the back so
it's off-center?
 Notice the little metal inserts along the top edge of the back?  There's a
...
  printer (I've only got one) that attaches to the
back for portability.   
Didn't the IBM Portable (or convertible...whatever) do that?