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The standarized screw was after the steam engine. It wasn't until 1841 that Whitworth promulgated his thread. Before then every rail manufacturer had their own
by wbl 6y ago
The standarized screw was after the steam engine. It wasn't until 1841 that Whitworth promulgated his thread. Before then every rail manufacturer had their own house standard.
- quickthrower2 6y agoIt was standard to use unstandardised screws.
- atoav 6y agoYou are right, thanks for the hint.