engleski

OPTIČKE KARAKTERISTIKE PAPIRA STARIH KNJIGA OBILJEŽENIH VODENIM ŽIGOVIMA

Three parts of first volume of a book in possession of the National and University library in Zagreb (call numbers: RIIF-4- 358- sv.1, RIIF-4- 358- sv.2, RIIF-4- 358- sv.3) were preliminary observed by image analysis and by spectrophotometric method. Regarding the optical features of these old books paper, these books were analyzed through paper thickness, watermarks characteristics and reflectance. Similarity of reflectance measured on front pages and random pages for all volumes supported by the same watermarks reveals monotonous paper production. Measurements results showed that printed map paper of third part has been made from different type of paper according to its watermark and reflectance. Typeface stylization for initials IMB is image analysis result of typographic watermarks measured through three parts of the first volume, therefor watermarks should be treated

Optical features, reflectance, old books paper, watermarks, paper grid

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