[Ernest_at_the_Beach]

IBM worked with SONY on this,....

Suely one of the plants is digging out their blueprints from years ago...

http://www.pcmag.com/encyclopedia/term/40750/data-cell

[Ernest_at_the_Beach]

Another try for the second image.

The magnetic film strip was wound by mechanical means and kept in the round plastic cartridge seen beside the tape reel.

There was a follow on ot this box A real mechanical marvel....