statue of Johannes Gutenberg, in Frankfurt, inventor of book printing ...
Tradecard - Johannes Gutenberg Cibils Beef Extract "Inventors & Their Inventions" issued in 1900.Johannes Gutenberg ~ The Printing Press
Gutenberg Printing Press - the Gutenberg museum in Mainz was the first museum I visited as a kid - made a big impression (no pun intended) on me!
Original Gutenberg Printing Press
free books! Project Gutenberg