The "Jumelle" press derives its name from the French word for "twin." This is an apt title, since the press combines two printing methods, photogravure and intaglio.
It is used by the British security printing firm of Harrison and Sons and has a capability of producing 100,000 sheets, each containing 100 stamps, in one hour. It is a web-fed press, printing from a continuous roll of paper, and does not even have to be stopped for a roll change, as it can automatically splice in a new roll as one runs out. The press also perforates the stamps and delivers them in trimmed sheets.
The "Jumelle" press was assembled from portions built in Germany, Italy, Sweden, and Switzerland, as well as by Harrisons.
- Kenneth A. WoodPosted May 21, 2000
This is Philately - Volume One A-F
Van Dahl Publications 1982
Index of 508 Notes from the Past
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