Ray, here's one from about 1955, Campy G.S. equipped with Campy open-C dropouts: http://www.wooljersey.com/gallery/Torpado_1955_Gran_Sport_52cmBlue
(The rear dropout is shown clearly in the last four photos of the album, pages 2 and 3).
Ciao, Mark Agree Southfield MI ~ ~ ~
Date: Fri, 4 Nov 2005 16:48:08 -0500 (EST) From: email@example.com To: firstname.lastname@example.org Subject: [CR]Need a timeline lesson
When did rear derailleur hangers come into play. I have seen recently several bikes listed on ebay as being from the 50s with hangers and it does not sit well with me yet. Perhaps I just need more education.