Through the 19th century, there was a series of new innovations in printing technology.
They were .
(i) By the mid-19th century, Richard M Hoe of New York had perfected the power-driven cylindrical press. It was capable of printing 8000 sheets per hour which was specially useful for printing newspapers.
(ii) In the late 19th century, the offset press was developed which could print upto six colours at a time.
(iii) From the beginning of the 20th century,
electrically operated presses accelerated printing operations.
(iv) Later, some other improvements were developed e.g. methods of feeding paper improved, the quality of plates became better, automatic paper reels and photoelectric controls of the colour register were introduced.
(v) The 19th century periodicals serialised important novels, which gave birth to a particular way of writing novels.