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+--- Thread: What is this on the top left of the Rosette Page? (/thread-5362.html)
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RE: What is this on the top left of the Rosette Page? - ReneZ - 14-02-2026
Here is a clearer version of Petersen's transcription.
As I probably indicated before, for uncertain passages he consulted the original MS, and it seems valid to assume that this would have been one of these cases.
Only a multi-spectral scan is likely to improve on this.
RE: What is this on the top left of the Rosette Page? - Bluetoes101 - 14-02-2026
Thanks Rene,
From what I gather we will not be getting a better scan, due to the brittle nature of the foldout.
I didn't mean to imply the reading was wrong, if that is how it was taken, only this is not "normal Voynich" by any stretch.
RE: What is this on the top left of the Rosette Page? - ReneZ - 14-02-2026
No problem, it can be the "best we got" and still wrong.
RE: What is this on the top left of the Rosette Page? - Jorge_Stolfi - 14-02-2026
(14-02-2026, 01:34 AM)ReneZ Wrote: You are not allowed to view links. Register or Login to view.Only a multi-spectral scan is likely to improve on this.
An alternative to a full-page scan, that would be a major and risky project, would be images of selected details of selected pages, taken with a hand-held microscope or even with a cellphone fitted with a proper lens. It would not require special page holders or cumbersome rigs.
For most details, it may be enough to set the resolution of 150 pixels/mm (10x that of the BL scans, 5x that of the multispectral images). At that resolution, an image 3000 pixels wide would span 20 mm on the page.
For other questions and details, such as ink/paint interaction, it would be nice to have a much higher resolution, like 600 pixels/mm, implying a 5mm wide field.
Hand-held microscopes, like this old Celestron model below, have built-in led illumination around the lens. A hadware hacker should be able to replace those leds by multi-spectral ones that could be turned on and off individually by the controlling computer. However, the lens material and built-in sensor filters may limit the spectral sensitivity to the visual range anyway.
Perhaps there are models that are just as simple to use but can take multi-spectral images from UV to IR,without any hacking.
All the best, --stolfi