1. 
   Photochronography
   Pho`to·chro·nog'ra·phy noun Art of recording or measuring intervals of time by the photochronograph. -- Pho`to*chron`o*graph'ic , - graph'ic*al adjective -- - graph'ic*al*ly , ad...
   Found op http://www.encyclo.co.uk/webster/P/76
   
   
2. 
   Photochronography
   • (n.) Art of recording or measuring intervals of time by the photochronograph.
   Found op http://thinkexist.com/dictionary/meaning/photochronography/
   
   
3. 
   photochronography
   photochronography The art of recording or measuring intervals of time with the photochronograph.
   Found op http://www.wordinfo.info/words/index/info/view_unit/2724/54
   
   

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