The issue is not a mere curiosity since silent reading deeply changed our way to read and, hence, to write. Writers tried to focus on the form of the verse (think at poetry from the XIX c. onwards) rather than (or: together with) on its sound. Private readers needed more books (one each instead of the single copy read and commented upon by the teacher during a lesson.
Martin Luther King, Jr.: "If I had sneezed..."
23 minutes ago