There's an L'Integral here...
http://www.reneherse.com/
Hilary Stone, Bristol, British Isles
t-om@efn.org wrote:
> simon bird wrote:
>> ... From a quick dip into Berto... and prior to that the 'Integral'
>> which had in effect a double seat tube with the chainrings between
>> and had a cable operated front derailleur way back in 1928...
>> Simon Bird London England
>
> Interesting idea, are there any on-line pictures of this "double seat tube
> with the chainrings between"? I'm curious...
> Thomas Seaman
> Moscow, Idaho
> U.S. of A.