Bookwheel, the 16th Century Forerunner to the EBook Reader

In 1588, he collected nearly two hundred of his best ideas and published a book entitled Le diverse et artificiose machine del Capitano Agostino Ramelli, or “The various and ingenious machines of Captain Agostino Ramelli.” Ramelli devoted half the book to various methods to raise water, such as water pumps, water wheels and wells. The bookwheel was Ramelli’s attempt to solve the problem of reading or referencing several books at once.

Source: www.amusingplanet.com