I can't link to YT right now because I'm on filtered internet. That said look up Schyler Towne. He gives a phenomenal talk about the great lock debacle of the 1

I can't link to YT right now because I'm on filtered internet. That said look up Schyler Towne. He gives a phenomenal talk about the great lock debacle of the 19th century and the history of locks all the way back into antiquity.