There are no Series Register Numbers log books from to for the Slant-needle models. Licenses can be purchased only through the agency 'Culture Management Berlin'. There is no other list! Copyrights are owned by the Berlin-based agency 'Culture Management Berlin'. Singer along with the Berlin-based agency 'Culture Management Berlin' created a database of Singer sewing machine world productions in and 5 years later the list was finally finished and published in This database is the first and only complete database of Singer sewing machines productions in the world. Dating Information for Slant-needle Models.
