Bill and Rachel discuss a specific air brake technology from 1872 that eventually had profound effects on the US economy and rail labor safety, especially after a Progressive Era bill mandated it.
Links and notes for ep. 417 (PDF): http://arsenalfordemocracy.com/wp-content/uploads/2022/03/AFD-Ep-417-Links-and-Notes-Westinghouse-Air-Brakes.pdf
Theme music by Stunt Bird.
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