My 1973 Art Stump (just posted on Wool Jersey) has a 1972 dated 1st generation SR rear derailleur.
See it here:
David G. White Burlington, VT
Chuck Schmidt wrote:
> On Jul 4, 2007, at 6:22 PM, John Waner wrote:
>> When I got the 72 SR derailleur I was quite jazzed about it , until
>> Chuck proposed his dating theory, that kind of burst the bubble!
>> John Waner
>> Huntington Beach, CA
> Don't put too much weight on my "idle conjecture" John. Anything is
> possible and there is never going to be anyway to prove otherwise.
> Don't forget that Tullio copied everything he ever made from Zeus in
> Spain according to some experts.
> Chuck Schmidt
> South Pasadena, CA USA
> http://www.velo-retro.com (reprints, t-shirts & timelines)