[CR]two cables on the same side?

(Example: Framebuilders:Mario Confente)

Date: Tue, 27 Jun 2006 11:36:52 -0400
To: classicrendezvous@bikelist.org
From: "stephen fredette" <sfredette@earthlink.net>
Subject: [CR]two cables on the same side?

i'm trying to hook up an old huret course rear derailleur, circa 1946. it uses two cables so how do i get them both by the bottom bracket on the same side of the seat tube?
        yr obdt svt
     Stephen Fredette Hull, Massachusetts