"Universal Mod 61" came first. I've seen these on original 1960s bikes, including my 1962 Atala. The brakes labeled "Universal" are probably more commonly seen on 1970s bike-boom-era bikes.
Aldo Ross
Middletown, Ohio
>I have a question about dating Universal center-pulls. I've seen two
>versions. One is engraved "Universal Mod. 61" and the other just
>"Universal", of which I have a pair. I assume the latter is also a Mod 61
>since that is apparently the only center-pull they made. Which came first?
>
> Logic would dictate that the one labeled "Universal" was first, with the
> one bearing the model designation introduced when a new, different model
> came into the line (Mod 68?). But logic doesn't always hold. Anyone
> know.
>
> TIA.
>
> --
> Phil Sieg
> Knoxville, Tennessee