Watch a detailed video tutorial on rebuilding a brass steam whistle valve for a steam-powered cotton gin at the Georgia Museum of Agriculture. Follow along as Keith Rucker from VintageMachinery.org demonstrates the step-by-step process, including removing the valve, machining the seats flat, polishing the valve stem, and reassembling the components. Learn about the inner workings of steam whistle valves, gain insights into specialized valve tools, and discover techniques for refacing and polishing to ensure smooth operation. Perfect for steam engine enthusiasts, museum conservators, and those interested in vintage machinery restoration.