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1
8th July 03:13
External User
Posts: 1
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http://cgi.ebay.com/ws/eBayISAPI.dll...tem=7361441166
The process is called Blue Printing and dates from the 1840's. It is still possible to obtain the chemicals and make your own prints. If kept out of direct sunlight, much as you would a watercolour, they will last as long as the paper. Examples from the 1840's are still as good today as when they were printed. Jim |
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