Acelerograph or Accelerograph: How To spell?
The word Acelerograph is misspelled against Accelerograph, a noun meaning "An apparatus for studying the combustion of powder in guns, etc."
Accelerograph has double "cc" is mispronounced as "c"Remember double 'CC' in between the strings A & elerograph which should not be misspelled with single 'C'
Wrong Spelling:  A-c-elerograph  Correct Spelling:  A-cc-elerograph 
Find more incorrect spellings of Accelerograph to spell right way.