1. 
   Helicograph
   Hel'i·co·graph` noun [ Helix + -graph .] An instrument for drawing spiral lines on a plane.
   Found op http://www.encyclo.co.uk/webster/H/28
   
   
2. 
   Helicograph
   • (n.) An instrument for drawing spiral lines on a plane.
   Found op http://thinkexist.com/dictionary/meaning/helicograph/
   
   
3. 
   helicograph
   helicograph 1. An instrument for drawing spiral lines on a plane. 2. An instrument for drawing helices.
   Found op http://www.wordinfo.info/words/index/info/view_unit/962/
   
   

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