Soo as I metioned before thanks to Moritz from Kult Cover Disks now we againg have an access to the demo versions of the game. :)

Machines_1999-01-14.zip
Most common and earliest known version of the demo.

Machines_1999-02-19.zip
Rarest version of the demo. Featured on the (Itaian) PC Gamer CD #041 B.

Machines_1999-02-23.zip.001
Machines_1999-02-23.zip.002
Largest demo. Featured on the PC Games 05/99, PC Player 06/99 B and GameStar 06/99.