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+--- Forum: Physical material (https://www.voynich.ninja/forum-42.html)
+--- Thread: The VMS ink is NOT iron-gall (/thread-5667.html)
RE: The VMS ink is NOT iron-gall - oshfdk - 26-04-2026
(26-04-2026, 05:53 PM)Jorge_Stolfi wrote: You are not allowed to view links. Register or Login to view.I suppose you will never agree -- but the stain is transparent and not that dark, and the writing outside the stain not that faint. By adding an absorbing layer on top of the ink and darkening the vellum under it, the staining stuff should have made the writing darker, not fainter.
I think I will happily agree once I see some good evidence.
I've tried to simulate the effect of adding a layer of semitransparent material of this color on top of the text. I took a square of the stain and overlaid it on top of the page reducing the opacity with 5% increments and compensating with brightness to achieve the same overall intensity. I think this would mimic a layer of somewhat transparent material on top of the text.
As far as I can see, the underlying text is practically invisible at 95% opacity including the high contrast characters, at 90% opacity only some of the characters are visible, faint ink is only visible at 80%. So a layer of some material with roughly 85-90% opacity may cause a similar effect of only some of the characters visible.
RE: The VMS ink is NOT iron-gall - Jorge_Stolfi - 27-04-2026
RE: The VMS ink is NOT iron-gall - oshfdk - 27-04-2026
RE: The VMS ink is NOT iron-gall - oshfdk - 27-04-2026
RE: The VMS ink is NOT iron-gall - Jorge_Stolfi - 27-04-2026
RE: The VMS ink is NOT iron-gall - oshfdk - 27-04-2026
RE: The VMS ink is NOT iron-gall - Jorge_Stolfi - 27-04-2026
RE: The VMS ink is NOT iron-gall - oshfdk - 27-04-2026
RE: The VMS ink is NOT iron-gall - Aga Tentakulus - 03-05-2026
RE: The VMS ink is NOT iron-gall - Bernd - 03-05-2026