[CR] Altenburger rims?

Example: History:Ted Ernst

Date: Thu, 16 Jul 2009 12:41:25 -0700
From: pbbikes <pbbikes@gmail.com>
To: <classicrendezvous@bikelist.org>
Subject: [CR] Altenburger rims?

Hey all,

I just purchased a set of pre record campagnolo track wheels. The hubs are laced to Altenburger tubular rims-no braking surface.

I have seen brakes before but never rims, anyone know anything about them or maybe a timeline.

Barry Scott Mount Shasta CA-currently Portland Oregon