A 1900 promotional and technical compendium from the Draper Company on the Northrop automatic loom for cotton weaving. It covers the loom's history and patents, the automatic filling-changer, warp stop-motions (steel harness and drop-wire), loom models A to G, and construction details such as let-off, take-up, shuttles, bobbins and temples. It also includes sales tables of looms sold by customer and state through January 1900, economic arguments on labor savings and prices, patent infringement claims, and detailed instructions for running, adjusting and troubleshooting the looms, including warp sizing recipes.