That distinction between carriage return and line feed is in turn a general feature of physical typewriter mechanisms, though even manual typewriters would give

That distinction between carriage return and line feed is in turn a general feature of physical typewriter mechanisms, though even manual typewriters would give you an automatic line feed every time you returned the carriage: https://www.youtube.com/watch?v=r97JHr13T98 https://www.youtube.com/watch?v=r97JHr13T98 . Line feed could also be manually controlled by using the platen knobs on the sides of the platen (the big roller which the paper was fed onto).