Glad to see you found a nice place !
My guess is that the text is written in a spiral. This would explain why the text is upside down related to the VC, Geneve text.
So, it would mean it has to do with something that spirals, or twirls... Like a tourbillons. A Rotating tourbillon, maybe.
As for the "metier d'art", as I guess it's not peripatéticienne, it might be hand engraving.