it is about air brakes? Maybe you can contact the author of the article because she would love to put things in perspective and revise her take (of course she needs reliable sources and documents).

See here: https://kathylovesphysics.com/george-westinghouse-the-unsung-hero/?utm_source=rss&utm_medium=rss&utm_campaign=george-westinghouse-the-unsung-hero#ind