At 11:42 AM -0500 12/28/08, Charles T. Young wrote:
>frome Norman Kilgariff's Claud Butler webpages available here:
>The frame is of fillet-brazed (bronze-welded / lugless) construction
>with a two standard diameter downtubes. The upper one terminates at
>the seat tube in plane with the intermediate seatstays and so is
>different from the twin lateral mixte-type frames.
That is the same frame design as the French constructeurs used on most of the woman's bikes.
Jan Heine Editor Bicycle Quarterly 140 Lakeside Ave #C Seattle WA 98122 http://www.vintagebicyclepress.com