There's a system that the motorcycle guys call the Whitworth Inch, but I think may be more correctly called Whitworth Measure. It's an old British system that was used on their motorcycles and possibly cars, too. There's a whole subculture of people trading in Whitworth tools for BSA and Norton owners.
-John >I've seen two other systems, but their names are eluding me at this time. >Also, I've come across bolts that are not SI, nor SAE. I believe they are >considered a british thread but i'm not certain. > >Steve _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.