When two trains collided head on at Kipton, Ohio in 1891, it was a wake up call for the railroad industry in North America whose impacts would be far-reaching and would lead to a new timekeeping standard that was unprecedented.
With John Chidgey.
Links of potential interest:

• US Timepiece Industry and Railroad Watch
• Kipton Train Wreck Anniversary
• The Great Kipton Train Wreck
• Kipton Train Crash
• Kipton Train Collision
• Railway Post Office

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Episode Gold Producer: 'r'.
Episode Silver Producers: Carsten Hansen and John Whitlow.

With thanks to Clinton Philips for the topic suggestion.