ÿþäóIn which city was Gutenberg a printer in the fifteenth century?ÀëÀë êóPlease push Enter to reveal the answer.ÀëÀë Èë ÃëåóMainz.ÀëÀë êóPlease push Enter to go to the next frame.ÀëÀë Èë Áë äóIn which year was Leonardo da Vinci born?ÀëÀë êóPlease push Enter to reveal the answer.ÀëÀë Èë Ãëåó1452ÀëÀë êóPlease push Enter to finish.ÀëÀë Èë