Copper has been used for traditional intaglio for centuries because of its malleability and resilience. Its ability to bond to the gelatin and react with ferric chloride in subtle and controllable ways also serve to make it ideal for photogravure. This chapter describes the preparation of the copper for photogravure, a process that, due to its fine detail and finicky nature, is less forgiving than other intaglio processes.
Copper Sheets
The copper necessary for photogravure should be highly polished and without flaws. You can buy it ready-to-use or you can polish standard sheets of roofing copper. Either type can be purchased in a variety of gauges or thicknesses; we recommend between 16 and ...
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