There's a rather new website which offers beside other stuff very high resolution scans of Campagnolo catalogs starting with number 18: http://www.tuttocampybici.com Although the catalogs are out of the timeline they are probably of interest for a lot of people here and might even help avoiding discussions about Chorus, Triomphe etc because you can just look it up now.
Dirk (no connection to tuttocampybici)
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Dirk Feeken
Heidelberg
Germany