Super Champion also produced a rear Osgear end with only the vertical dropout, which was designated the "Touriste" model. I believe that the purpose of long vertical points was to assist in replacing the wheel in the dropouts. Earlier models of the Osgear ends did not have these long points.
For illustrations, see http://smg.photobucket.com/
Neil Foddering Weymouth, Dorset, England
> From: jpweigle@sbcglobal.net
> To: classicrendezvous@bikelist.org
> Date: Wed, 26 Aug 2009 15:43:00 -0400
> Subject: Re: [CR] L'auto with Osgear Dropouts
>
>
> >It seems that the vertical dropout is for a multi-speed set-up with a
> >derailleur like Osgear or Simplex, and the horizontal dropout is for
> >single-speed.
>
> >Mordecai Silver
> >New York, NY
>
> Here is another shot of the Osgear 2 position dropouts, verticle and
> horizontal.
> http://www.flickr.com/
> Mordecai has it right, horizontal for fixed or single, and vert. for a
> derailleur set up.
>
> peter weigle
> lyme, ct.