The invention of the dandy roll in 1826 by John Marshall revolutionised the watermark process and made it easier for producers to watermark their paper. The dandy roll is a light roller covered by material similar to window screen that is embossed with a pattern.
The Stamp Collector's Guidebook of Worldwide Watermarks and Perforations, from 1840 to date.
It is a shaded watermark first used in 1848 that incorporates tonal depth and creates a greyscale image.
27p. == External links == WZMA - Watermarks of the Middle Ages Briquet online (in French) Piccard online (English) Watermark Database of the Dutch University Institute for Art History Bernstein - The Memory of Paper, Watermark Database Watermarks 1850-date Finding Watermarks on Stamps: Hobbizine article Thomas L.
Stamps 1895-1916 Watermark discussion list Philatelic terminology Money forgery Papermaking * Stationery Banknotes Italian inventions Filigrano
Racine, WI.: Whitman Publishing Co., 1966 256p. Repeta, Louis E.
Tappan, N.Y.: Buxton Stamp Co., 1977 114p. Felix, Ervin J.
Reprinted in 1999 from The American Philatelist (February 1987).
Reprinted in 1999 from The American Philatelist (February 1987).
All text is taken from Wikipedia. Text is available under the Creative Commons Attribution-ShareAlike License .
Page generated on 2021-08-05