RICHTER
Set to 2 different clues across 2 published puzzles, most often “Scale developer” — The New York Times, Friday, 31 August 2007.
7 letters
Every clue on record, most used first
- Scale developeronce
The New York Times — Friday, 31 August 2007
- _____ scaleonce
The New York Times — Sunday, 29 May 1994