Fig. 9From: The use of computed tomography and X-ray fluorescence analysis in the research of printed book from the seventeenth century: book binding, tomographic reading of the text, dendrochronological dating, pigments analysisComparison of the spectrum in the non-ink area A and in the red ink area B on page 183-1 (first part of the book). Both spectra have different counts range (up to 320 for A and up to 8500 for BBack to article page