A press to automate liphography - a liphograph - is created by Senefelder as a way to make the process even easier. Demand for liphography increases dramatically and by 1970 there were at least 480 total liphographs in just the United States. (1 янв 1817 г. – 1 янв 1971 г.)
Добавлено на ленту времени:
Дата:
1 янв 1817 г.
1 янв 1971 г.
~ 154 years