[CR]SGDG???

(Example: History:Norris Lockley)

From: "Chris Ioakimedes" <chriseye@comcast.net>
To: <classicrendezvous@bikelist.org>
Date: Tue, 20 Jan 2004 07:37:30 -0800
In-Reply-To: <4f.396ad428.2d3e9ea8@aol.com>
Subject: [CR]SGDG???

Hello, Does anyone know the history of SGDG? My 1940 Iver Johnson has an SGDG rear derailleur. I also have a pair of Mafac levers which have the side posts for Simplex shifters, on the handlebar clamp SGDG is engraved.
Thanks,
Chris Ioakimedes
Fairfax California