Olivetti M10
The Olivetti M10 is portable computer produced by Olivetti from 1983. It has been one of the first notebook produced, and it had a good success, selling 24000 pcs, that was the 70% of the Italian market and the 22% of the European market.
It was a clone of the Kyocera Kyotronic KC-85, with some change.
It's very different from notebooks you use today.
In the video there are all the details, and how it works.
