Doug Fattic wrote:
> Somewhere in the 80's both Reynolds and Columbus
> stopped stamping these numbers into the tubing and had it printed on. It
> probably had something to do with it being a stress riser.
Columbus used a graphite electrode to mark their tubes, except for the steer tube, which was still stamped. The stampings were considered to be stress risers on thin-gauge tubing, so Reynolds didn't stamp their 753 tube sets.
--
John (john@os2.dhs.org)
Appleton WI USA