Piece of trivia for you. The first Dura Ace brakes were actually centerpulls.
> I'm gathering parts to restore a bike using circa 1974 vintage Dura Ace
> componants. I've got the brake calipers, high-flange hub-set, Crane
> rear derailleur, all of which I have confirmed are of the correct
> vintage. I've also got an early Dura Ace crankset and front derailleur,
> but I am not certain they are early enough. Does anyone have a 1973,
> 1974 or 1975 Shimano catalog with clear photos of the crankset and front
> derailleur? Or does anyone have advice on how else I can accurately date
> these parts? Also, does anyone have a set of circa 1974 Dura Ace brake
> levers you'd consider selling?
> David -- I need a good winter project to work on when I'm not
> snowboarding -- White
> Burlington, VT