David asked:
> When did Nisi quit putting the fine ridges on the braking surface of their
> tubular rims? These fine cuts run radially (i.e. perpendicular to the
> rotation of the rim). Anyone know with any certainty what date range these
> would fall into?
This style rim was available in the 40's and they were still making rims with these striations in the late 70's, possibly early 80's.
--
Steven Maasland
Moorestown, NJ
>
\r?\n> David Bilenkey
\r?\n> Ottawa, Ontario, Canada