I am still figuring out whether A.R.S. and A.R.S. Amoretto are machines from different or the same manufacturer.
A.R.S. Amoretto Super 8
A.R.S. Amoretto Super 8 Excel
A.R.S. Amoretto Type MT-4
A.R.S. Amoretto Type MT-5
A.R.S. Amoretto SM-18
A.R.S. Automatic Home Knitter
A.R.S. Knitter
A.R.S. Knitter Type M