Download or read book Maker of Machines written by Barbara Mitchell and published by Millbrook Press. This book was released on 2004-08-01 with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eli Whitney’s love of inventing and pondering new ideas made him one of America’s greatest inventors. Best known for inventing the cotton gin, one of the most important American inventions of the century, he changed cotton production forever. A few years later, Whitney invented machines to make muskets that were identical. The first mass-manufacturing business in the country, his musket factory revolutionized the way Americans made things.