Adler Arabic/Persian, ماشین تحریر, Vintage Typewriter, for display - not working, آلة كاتبة

​About:
A very rare typewriter with an Arabic/Persian (Farsi) typeface, so in addition to the 28 letters of the Arabic alphabet, it also has the additional 4 Persian letters (P - G - Je' - Ch).
It moves from right to left, and everything associated with the carriage is reversed. Keys are not working 

Condition:
Not working - for display only

Specifications:
Made in Western Germany in the 1960s
Weight: 15.5kg
Dimensions: W33 x (46cm carriage, 30cm platen) x D40 x H23 cm
Colour: original metallic light greyish brown
Keyboard and font: Arabic
A new ink ribbon and a manual included.