Watermark
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A watermark is a recognizable image or pattern in paper that appears as various shades of lightness/darkness when viewed by transmitted light (or when viewed by reflected light, atop a dark background), caused by thickness or density variations in the paper. There are two main ways of producing watermarks in paper; the dandy roll process, and the more complex cylinder mould process.
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Finding Watermarks on Stamps Finding Watermarks on Stamps www.hobbizine.com/page0023.html - Web |
Watermarks of the Middle Ages (in German) Watermarks of the Middle Ages (in German) www.ksbm.oeaw.ac.at/wz/wzma2.htm - Web |
Briquet online (in French) Briquet online (in French) www.ksbm.oeaw.ac.at/_scripts/php/BR.php - Web |
Gallery for «Watermark»
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Piccard online (English) Piccard online (English) www.piccard-online.de/.../struktur.php?anzeigeKlassi=&klassi=&sprache=en - Web |
Watermark Database of the Dutch University Institu... Watermark Database of the Dutch University Institute for Art History www.wm-portal.net/niki/index.php - Web |
Bernstein The Memory of Paper, Watermark Database Bernstein The Memory of Paper, Watermark Database www.memoryofpaper.eu:8080/BernsteinPortal/appl_start.disp - Web |
Watermarks 1850-date Watermarks 1850-date www.watermarks.info/catalogi.htm - Web |
Abacus.bates.edu Abacus.bates.edu abacus.bates.edu/Faculty/wmarchive/Bibliography.html - Web |