In my opinion, the "apostrophe" looks like a standalone element which is "imposed" upon "basic" characters to create a superposition of some kind. It is not clear whether the basic shapes (such as i, e, apostrophe etc.) have something more behind their graphic shape (e.g. they may have corresponding numerical values with superposition of basic shapes corresponding to, say, arithmetic addition - like in the monastic cipher described in the D. Kahn's book), or this is nothing more than a way to design additional alphabet characters.
In your figures 11, 14, 15, 21 this is rather an y.
Figures 18, 22, 24 show extended EVA &163; - a very interesting standalone character notable in that it is the only one-letter label in the whole VMS (your fig. 18).
I think that it is the "apostrophe" that is used to make r and n of i.
In your figures 11, 14, 15, 21 this is rather an y.
Figures 18, 22, 24 show extended EVA &163; - a very interesting standalone character notable in that it is the only one-letter label in the whole VMS (your fig. 18).
I think that it is the "apostrophe" that is used to make r and n of i.