No text, but a visual code

[Helmut Winkler]

Medieval abbr. went out of use after 1500 because of developments in printing and written scripts and had to be learned again in the 18th c., the social circle of Kircher would not have  been able to read them, especially not in extreme cases like the Vms.

And all V. glyphs are Latin glyphs  or derived from L. glyphs, which means to  me there is a high likelihood the language is Latin