[CR] Date frame for Juy Simplex QR's ???


Example: Component Manufacturers:Avocet

Date: Wed, 6 May 2009 22:18:53 -0400
From: Jay Dubiel <zoomdog@pure.net>
To: classicrendezvous <classicrendezvous@bikelist.org>
Subject: [CR] Date frame for Juy Simplex QR's ???


Can a List member provide a date frame for the Juy-Simplex QR's in the attached photo link. Flat levers, so I'm guessing pre CSPC? Specifics appreciated.

http://s517.photobucket.com/albums/u335/gypsybike/RESEARCH%20MATERIALS/?action=view&current=0juy.jpg

Jay Dubiel
Halifax, VA USA