At SMECC we have a very curious laptop with a little tape  drive in it
that seems to take small dictation  size tapes.  The little laptop has  a
rounded top to it.  Mfr  name on tip of tongue ... but   ...
It  live in one of the  Glass chasses .. wonder how   scarce they are?
only seen the one...
Ed#
In a message dated 4/14/2017 8:09:32 A.M. US Mountain Standard Time,
cctalk at 
classiccmp.org writes:
   On Apr 13, 2017, at 7:34 PM, Toby Thain via cctalk
<cctalk at classiccmp.org> wrote:
 On 2017-04-13 6:54 PM,  Chuck Guzis via cctalk wrote:
  ...
 ...or that Iverson  language, APL, present on the 5100 and what was
 probably one of  the the first microcomputers, the MCM/70.
 So, whence  APL today? 
 Still lives on -- Dyalog, J, K, etc. Recently  discovered the #jsoftware  
channel
on Freenode for APL fans.
For that  matter, APL itself also still exists, the OpenAPL open source
implementation  for example.  Works nicely.
paul