Fig. 3From: Materials and techniques used for the “Vienna Moamin”: multianalytical investigation of a book about hunting with falcons from the thirteenth centurya Comparison of Raman spectra of the brown ink in the text (red) and the marginal note (yellow) on folio 10v with an iron gall ink reference spectrum (blue) and b a FORS spectrum of the brown ink in the text of folio 1v compared with the light brown ink (green) on folio 47vBack to article page