electrography

from The Century Dictionary.

• noun In photography, a process by which a dry sensitized paper is made to reproduce a design through the agency of electric sparks.
• noun Galvanography.
• noun Specifically The process of copying a fine engraving on copper or steel by means of an electro-copper deposit.

from the GNU version of the Collaborative International Dictionary of English.

• noun The art or process of making electrographs or using an electrograph.
• noun = Galvanography.