The Library’s founders wanted it to be a repository of knowledge, so they sent agents with large sums of money to buy as many scrolls as possible about any subject and by any author. The Library throve for decades and became especially famous for its many works on literary criticism. The Library of Alexandria was destroyed in a war during the late 3rd century A.D.
What’s interesting about Hero’s invention is that he created it well before the Industrial Revolution that took place in parts of the world in the 1700’s and 1800’s. This means that the Ancient Greeks were capable of advanced mathematical, scientific, and mechanical thought, which enabled them to see the world differently. This was a huge advancement in society.