Fig. 2From: Studies on the effects of mixed light-thermal ageing on parchment by vibrational spectroscopy and micro hot table methodFTIR-ATR spectra of some old parchments: red line—Biblia Magna, X–XI century, State Archives of Turin; blue line—Chancellery document, XV century, Romanian Academy Library; magenta line—parchment bookbinding, XVI century, Romanian Academy LibraryBack to article page