1. 
   Pianograph
   Pi·an'o·graph noun [ Piano + -graph .] (Mus.) A form of melodiograph applied to a piano.
   Found op http://www.encyclo.co.uk/webster/P/82
   
   
2. 
   pianograph
   A form of melodiograph applied to a piano. ... Origin: Piano + -graph. ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?pianograph
   
   
3. 
   Pianograph
   • (n.) A form of melodiograph applied to a piano.
   Found op http://thinkexist.com/dictionary/meaning/pianograph/
   
   
4. 
   Pianograph
   A pianograph is a form of melodiograph applied to a piano.
   Found op http://www.probertencyclopaedia.com/browse/VP.HTM
   
   

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