...Roman notation. Thus, when placed before other letters, it diminishes their force, as when: X (10) and L (50) = 40 When placed after a letter, it increases,...adds its own force to that already exerted, as when: L(50) andX (10) —60. Next to "E" and -N," "X" is the greatest tipler, and inharmonious vibrations...
... when placed after a letter it increases or adds its own force to that already exerted. 