The Arabic language functions differently than English when being read: it moves from right to left. So, an Arabic Typewriter is going to need that same functionality.
This Arabic Selectric moves right to left, just as the language reads!
The Arabic keyboard
The cable direction is changed at the front drum with the idler pulley.
Idler pulley up close
Front view of the front right cable pulley.
The front view of the rear left cable pulley.
The rear view of the cable idler pulley and rear drum.