My random translations of the photo captions, clockwise from top left are:

• Allvit
• Allvit Safety III
• Super Allvit
• Allvit III

I think that the correct labels might be:

• Huret Allvit
• Huret Allvit III
• Huret Super Allvit
• Huret Allvit

---

• Publisher: New Cycling
• Document: New Cycling May 1981 - '81 Derailleur Collection
• Date: May 1981
• Derailleur brands: Huret
• Derailleurs: Huret Allvit, Huret Allvit III, Huret Super Allvit, Huret Allvit