
• (n.) In electrotypy, the act or art of copying, in metals deposited by electrolytic action, a form or pattern which is made the negative electrode.
Found on 
http://thinkexist.com/dictionary/meaning/voltagraphy/
Vol·tag'ra·phy  noun [ 
 Volta ic + 
 - graphy .] In electrotypy, the act or art of copying, in metals deposited by electrolytic action, a form or pattern which is made the negative electrode. [ R.] 
Found on 
http://www.encyclo.co.uk/webster/V/35
  No exact match found.