Speaking of railways, and connectors, the railway couplings in the US are another thing that's withstood the dest of time. The Janney railway coupler is compati

Speaking of railways, and connectors, the railway couplings in the US are another thing that's withstood the dest of time. The Janney railway coupler is compatible with couplers built 100+ years ago, and of a design dating back to the 1860s, with the refinements pretty much all been making individual components more and more standardized.