Dennis Bushnell builds high quality tandems as well as singles. His profile at the S7S machine site is:
http://www.sandsmachine.com/
Len Diamond
Ridgewood, NJ
>From: Nathan Cozzolino <cozzolino77@hotmail.com>
>Date: 2006/08/10 Thu PM 05:15:31 CDT
>To: classicrendezvous@bikelist.org
>Subject: [CR]Bushnell Track Frame...
>Does anyone have any information about these frames? I guess it's made of a
>mix of columbus tubing with columbus dropouts. i suppose this one is from
>the 80's.
>
>Nathan Cozzolino
>SF,CA.