Please Help Identify These Stylus (Styli?)

[donniej]

Ebay seller "scanwizard" had come across a collection of European phonograph parts, including boxes of stylus. I (hopefully) bought another for my Pathé. He doesn't know what they're for, and neither do I. Can anyone here help identify them?
Ps. I have no affiliation with him, he seems like an honest guy so I'm just trying to do my good deed for the day

[epigramophone]

Looking from left to right, the sixth stylus is the usual Pathé ball sapphire for their vertical cut discs. The others all carry a ball stylus which may or may not be by Pathé, and which may or may not be a genuine jewel. Some cheap imitations were made of glass.

Some of the larger mounts may perform a similar function to a steel collar needle i.e. increase volume.

Does anyone have a period catalogue showing the different types of stylus?