In the nineteenth century, Baltimore was the world's leading supplier of cotton duck, a material that was used in items from uniforms and tents to sailcloth and parachutes. Much of it was made at a sprawling complex of mill buildings collectively…

In the early 1800s William E. Hooper started a flour mill at the current site of Clipper Mill . Converted to produce cotton cloth in the 1830s, the complex expanded into several new buildings along the Jones Falls. In 1843, Robert Poole opened a…