Just browsing through an old 1958 Nervex catalogue I was reminded how this famous manufacturer made a vast assortment of bike and moped parts and even some surprising accessories in addition to their beloved "Professional" lugset.
See scan of the cover and one interesting page here:
http://pictures.aol.com/
[The full 61 page catalogue is available from Chuck Schmidt - and worth every penny.]
Bob Hanson, Albuquerque, NM, USA